8889018680

素因数分解:

$2^3\times 5^1\times {\mathrm{283}}^1\times {\mathrm{785249}}^1$

素因数の和:785543

約数の個数: 32

約数和(自身を含む): 20070990000

約数和(自身を除く): 11181971320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 283, 566, 1132, 1415, 2264, 2830, 5660, 11320, 785249, 1570498, 3140996, 3926245, 6281992, 7852490, 15704980, 31409960, 222225467, 444450934, 888901868, 1111127335, 1777803736, 2222254670, 4444509340, 8889018680]

約数ペア:

[(1, 8889018680), (2, 4444509340), (4, 2222254670), (5, 1777803736), (8, 1111127335), (10, 888901868), (20, 444450934), (40, 222225467), (283, 31409960), (566, 15704980), (1132, 7852490), (1415, 6281992), (2264, 3926245), (2830, 3140996), (5660, 1570498), (11320, 785249)]