20102898452440

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{20611}}^1\times {\mathrm{5279}}^1$

素因数の和:26081

約数の個数: 128

約数和(自身を含む): 47015147520000

約数和(自身を除く): 26912249067560

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 149, 155, 248, 298, 310, 596, 620, 745, 1192, 1240, 1490, 2980, 4619, 5279, 5960, 9238, 10558, 18476, 20611, 21116, 23095, 26395, 36952, 41222, 42232, 46190, 52790, 82444, 92380, 103055, 105580, 163649, 164888, 184760, 206110, 211160, 327298, 412220, 638941, 654596, 786571, 818245, 824440, 1277882, 1309192, 1573142, 1636490, 2555764, 3071039, 3146284, 3194705, 3272980, 3932855, 5111528, 6142078, 6292568, 6389410, 6545960, 7865710, 12284156, 12778820, 15355195, 15731420, 24383701, 24568312, 25557640, 30710390, 31462840, 48767402, 61420780, 95202209, 97534804, 108805469, 121918505, 122841560, 190404418, 195069608, 217610938, 243837010, 380808836, 435221876, 476011045, 487674020, 544027345, 761617672, 870443752, 952022090, 975348040, 1088054690, 1904044180, 2176109380, 3372969539, 3808088360, 4352218760, 6745939078, 13491878156, 16212014881, 16864847695, 26983756312, 32424029762, 33729695390, 64848059524, 67459390780, 81060074405, 129696119048, 134918781560, 162120148810, 324240297620, 502572461311, 648480595240, 1005144922622, 2010289845244, 2512862306555, 4020579690488, 5025724613110, 10051449226220, 20102898452440]

約数ペア:

[(1, 20102898452440), (2, 10051449226220), (4, 5025724613110), (5, 4020579690488), (8, 2512862306555), (10, 2010289845244), (20, 1005144922622), (31, 648480595240), (40, 502572461311), (62, 324240297620), (124, 162120148810), (149, 134918781560), (155, 129696119048), (248, 81060074405), (298, 67459390780), (310, 64848059524), (596, 33729695390), (620, 32424029762), (745, 26983756312), (1192, 16864847695), (1240, 16212014881), (1490, 13491878156), (2980, 6745939078), (4619, 4352218760), (5279, 3808088360), (5960, 3372969539), (9238, 2176109380), (10558, 1904044180), (18476, 1088054690), (20611, 975348040), (21116, 952022090), (23095, 870443752), (26395, 761617672), (36952, 544027345), (41222, 487674020), (42232, 476011045), (46190, 435221876), (52790, 380808836), (82444, 243837010), (92380, 217610938), (103055, 195069608), (105580, 190404418), (163649, 122841560), (164888, 121918505), (184760, 108805469), (206110, 97534804), (211160, 95202209), (327298, 61420780), (412220, 48767402), (638941, 31462840), (654596, 30710390), (786571, 25557640), (818245, 24568312), (824440, 24383701), (1277882, 15731420), (1309192, 15355195), (1573142, 12778820), (1636490, 12284156), (2555764, 7865710), (3071039, 6545960), (3146284, 6389410), (3194705, 6292568), (3272980, 6142078), (3932855, 5111528)]