78282971420

素因数分解:

$2^2\times 5^1\times {\mathrm{313}}^1\times {\mathrm{12505267}}^1$

素因数の和:12505589

約数の個数: 24

約数和(自身を含む): 164919474384

約数和(自身を除く): 86636502964

約数列:

[1, 2, 4, 5, 10, 20, 313, 626, 1252, 1565, 3130, 6260, 12505267, 25010534, 50021068, 62526335, 125052670, 250105340, 3914148571, 7828297142, 15656594284, 19570742855, 39141485710, 78282971420]

約数ペア:

[(1, 78282971420), (2, 39141485710), (4, 19570742855), (5, 15656594284), (10, 7828297142), (20, 3914148571), (313, 250105340), (626, 125052670), (1252, 62526335), (1565, 50021068), (3130, 25010534), (6260, 12505267)]