65308640

素因数分解:

$2^5\times 5^1\times {\mathrm{71}}^1\times {\mathrm{5749}}^1$

素因数の和:5835

約数の個数: 48

約数和(自身を含む): 156492000

約数和(自身を除く): 91183360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 71, 80, 142, 160, 284, 355, 568, 710, 1136, 1420, 2272, 2840, 5680, 5749, 11360, 11498, 22996, 28745, 45992, 57490, 91984, 114980, 183968, 229960, 408179, 459920, 816358, 919840, 1632716, 2040895, 3265432, 4081790, 6530864, 8163580, 13061728, 16327160, 32654320, 65308640]

約数ペア:

[(1, 65308640), (2, 32654320), (4, 16327160), (5, 13061728), (8, 8163580), (10, 6530864), (16, 4081790), (20, 3265432), (32, 2040895), (40, 1632716), (71, 919840), (80, 816358), (142, 459920), (160, 408179), (284, 229960), (355, 183968), (568, 114980), (710, 91984), (1136, 57490), (1420, 45992), (2272, 28745), (2840, 22996), (5680, 11498), (5749, 11360)]