13340989840

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{211}}^1\times {\mathrm{41597}}^1$

素因数の和:41840

約数の個数: 80

約数和(自身を含む): 32805846720

約数和(自身を除く): 19464856880

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, 32072, 40090, 41597, 64144, 80180, 83194, 160360, 166388, 207985, 320720, 332776, 415970, 665552, 790343, 831940, 1580686, 1663880, 3161372, 3327760, 3951715, 6322744, 7903430, 8776967, 12645488, 15806860, 17553934, 31613720, 35107868, 43884835, 63227440, 70215736, 87769670, 140431472, 166762373, 175539340, 333524746, 351078680, 667049492, 702157360, 833811865, 1334098984, 1667623730, 2668197968, 3335247460, 6670494920, 13340989840]

約数ペア:

[(1, 13340989840), (2, 6670494920), (4, 3335247460), (5, 2668197968), (8, 1667623730), (10, 1334098984), (16, 833811865), (19, 702157360), (20, 667049492), (38, 351078680), (40, 333524746), (76, 175539340), (80, 166762373), (95, 140431472), (152, 87769670), (190, 70215736), (211, 63227440), (304, 43884835), (380, 35107868), (422, 31613720), (760, 17553934), (844, 15806860), (1055, 12645488), (1520, 8776967), (1688, 7903430), (2110, 6322744), (3376, 3951715), (4009, 3327760), (4220, 3161372), (8018, 1663880), (8440, 1580686), (16036, 831940), (16880, 790343), (20045, 665552), (32072, 415970), (40090, 332776), (41597, 320720), (64144, 207985), (80180, 166388), (83194, 160360)]