8049109840

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{211}}^1\times {\mathrm{25097}}^1$

素因数の和:25340

約数の個数: 80

約数和(自身を含む): 19793286720

約数和(自身を除く): 11744176880

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 211, 304, 380, 422, 760, 844, 1055, 1520, 1688, 2110, 3376, 4009, 4220, 8018, 8440, 16036, 16880, 20045, 25097, 32072, 40090, 50194, 64144, 80180, 100388, 125485, 160360, 200776, 250970, 320720, 401552, 476843, 501940, 953686, 1003880, 1907372, 2007760, 2384215, 3814744, 4768430, 5295467, 7629488, 9536860, 10590934, 19073720, 21181868, 26477335, 38147440, 42363736, 52954670, 84727472, 100613873, 105909340, 201227746, 211818680, 402455492, 423637360, 503069365, 804910984, 1006138730, 1609821968, 2012277460, 4024554920, 8049109840]

約数ペア:

[(1, 8049109840), (2, 4024554920), (4, 2012277460), (5, 1609821968), (8, 1006138730), (10, 804910984), (16, 503069365), (19, 423637360), (20, 402455492), (38, 211818680), (40, 201227746), (76, 105909340), (80, 100613873), (95, 84727472), (152, 52954670), (190, 42363736), (211, 38147440), (304, 26477335), (380, 21181868), (422, 19073720), (760, 10590934), (844, 9536860), (1055, 7629488), (1520, 5295467), (1688, 4768430), (2110, 3814744), (3376, 2384215), (4009, 2007760), (4220, 1907372), (8018, 1003880), (8440, 953686), (16036, 501940), (16880, 476843), (20045, 401552), (25097, 320720), (32072, 250970), (40090, 200776), (50194, 160360), (64144, 125485), (80180, 100388)]