63770780

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{44909}}^1$

素因数の和:44989

約数の個数: 24

約数和(自身を含む): 135807840

約数和(自身を除く): 72037060

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 44909, 89818, 179636, 224545, 449090, 898180, 3188539, 6377078, 12754156, 15942695, 31885390, 63770780]

約数ペア:

[(1, 63770780), (2, 31885390), (4, 15942695), (5, 12754156), (10, 6377078), (20, 3188539), (71, 898180), (142, 449090), (284, 224545), (355, 179636), (710, 89818), (1420, 44909)]