85817920

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{211}}^1$

素因数の和:300

約数の個数: 112

約数和(自身を含む): 217115136

約数和(自身を除く): 131297216

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 41, 62, 64, 80, 82, 124, 155, 160, 164, 205, 211, 248, 310, 320, 328, 410, 422, 496, 620, 656, 820, 844, 992, 1055, 1240, 1271, 1312, 1640, 1688, 1984, 2110, 2480, 2542, 2624, 3280, 3376, 4220, 4960, 5084, 6355, 6541, 6560, 6752, 8440, 8651, 9920, 10168, 12710, 13082, 13120, 13504, 16880, 17302, 20336, 25420, 26164, 32705, 33760, 34604, 40672, 43255, 50840, 52328, 65410, 67520, 69208, 81344, 86510, 101680, 104656, 130820, 138416, 173020, 203360, 209312, 261640, 268181, 276832, 346040, 406720, 418624, 523280, 536362, 553664, 692080, 1046560, 1072724, 1340905, 1384160, 2093120, 2145448, 2681810, 2768320, 4290896, 5363620, 8581792, 10727240, 17163584, 21454480, 42908960, 85817920]

約数ペア:

[(1, 85817920), (2, 42908960), (4, 21454480), (5, 17163584), (8, 10727240), (10, 8581792), (16, 5363620), (20, 4290896), (31, 2768320), (32, 2681810), (40, 2145448), (41, 2093120), (62, 1384160), (64, 1340905), (80, 1072724), (82, 1046560), (124, 692080), (155, 553664), (160, 536362), (164, 523280), (205, 418624), (211, 406720), (248, 346040), (310, 276832), (320, 268181), (328, 261640), (410, 209312), (422, 203360), (496, 173020), (620, 138416), (656, 130820), (820, 104656), (844, 101680), (992, 86510), (1055, 81344), (1240, 69208), (1271, 67520), (1312, 65410), (1640, 52328), (1688, 50840), (1984, 43255), (2110, 40672), (2480, 34604), (2542, 33760), (2624, 32705), (3280, 26164), (3376, 25420), (4220, 20336), (4960, 17302), (5084, 16880), (6355, 13504), (6541, 13120), (6560, 13082), (6752, 12710), (8440, 10168), (8651, 9920)]