12685820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1$

素因数の和:163

約数の個数: 96

約数和(自身を含む): 32686080

約数和(自身を除く): 20000260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 37, 62, 70, 74, 79, 124, 140, 148, 155, 158, 185, 217, 259, 310, 316, 370, 395, 434, 518, 553, 620, 740, 790, 868, 1036, 1085, 1106, 1147, 1295, 1580, 2170, 2212, 2294, 2449, 2590, 2765, 2923, 4340, 4588, 4898, 5180, 5530, 5735, 5846, 8029, 9796, 11060, 11470, 11692, 12245, 14615, 16058, 17143, 20461, 22940, 24490, 29230, 32116, 34286, 40145, 40922, 48980, 58460, 68572, 80290, 81844, 85715, 90613, 102305, 160580, 171430, 181226, 204610, 342860, 362452, 409220, 453065, 634291, 906130, 1268582, 1812260, 2537164, 3171455, 6342910, 12685820]

約数ペア:

[(1, 12685820), (2, 6342910), (4, 3171455), (5, 2537164), (7, 1812260), (10, 1268582), (14, 906130), (20, 634291), (28, 453065), (31, 409220), (35, 362452), (37, 342860), (62, 204610), (70, 181226), (74, 171430), (79, 160580), (124, 102305), (140, 90613), (148, 85715), (155, 81844), (158, 80290), (185, 68572), (217, 58460), (259, 48980), (310, 40922), (316, 40145), (370, 34286), (395, 32116), (434, 29230), (518, 24490), (553, 22940), (620, 20461), (740, 17143), (790, 16058), (868, 14615), (1036, 12245), (1085, 11692), (1106, 11470), (1147, 11060), (1295, 9796), (1580, 8029), (2170, 5846), (2212, 5735), (2294, 5530), (2449, 5180), (2590, 4898), (2765, 4588), (2923, 4340)]