64413680

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47363}}^1$

素因数の和:47393

約数の個数: 40

約数和(自身を含む): 158574672

約数和(自身を除く): 94160992

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 47363, 94726, 189452, 236815, 378904, 473630, 757808, 805171, 947260, 1610342, 1894520, 3220684, 3789040, 4025855, 6441368, 8051710, 12882736, 16103420, 32206840, 64413680]

約数ペア:

[(1, 64413680), (2, 32206840), (4, 16103420), (5, 12882736), (8, 8051710), (10, 6441368), (16, 4025855), (17, 3789040), (20, 3220684), (34, 1894520), (40, 1610342), (68, 947260), (80, 805171), (85, 757808), (136, 473630), (170, 378904), (272, 236815), (340, 189452), (680, 94726), (1360, 47363)]