64565680

素因数分解:

$2^4\times 5^1\times {\mathrm{807071}}^1$

素因数の和:807084

約数の個数: 20

約数和(自身を含む): 150115392

約数和(自身を除く): 85549712

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 807071, 1614142, 3228284, 4035355, 6456568, 8070710, 12913136, 16141420, 32282840, 64565680]

約数ペア:

[(1, 64565680), (2, 32282840), (4, 16141420), (5, 12913136), (8, 8070710), (10, 6456568), (16, 4035355), (20, 3228284), (40, 1614142), (80, 807071)]