64886480

素因数分解:

$2^4\times 5^1\times {\mathrm{811081}}^1$

素因数の和:811094

約数の個数: 20

約数和(自身を含む): 150861252

約数和(自身を除く): 85974772

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 811081, 1622162, 3244324, 4055405, 6488648, 8110810, 12977296, 16221620, 32443240, 64886480]

約数ペア:

[(1, 64886480), (2, 32443240), (4, 16221620), (5, 12977296), (8, 8110810), (10, 6488648), (16, 4055405), (20, 3244324), (40, 1622162), (80, 811081)]