8020175

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{167}}^1$

素因数の和:307

約数の個数: 24

約数和(自身を含む): 10686816

約数和(自身を除く): 2666641

約数列:

[1, 5, 17, 25, 85, 113, 167, 425, 565, 835, 1921, 2825, 2839, 4175, 9605, 14195, 18871, 48025, 70975, 94355, 320807, 471775, 1604035, 8020175]

約数ペア:

[(1, 8020175), (5, 1604035), (17, 471775), (25, 320807), (85, 94355), (113, 70975), (167, 48025), (425, 18871), (565, 14195), (835, 9605), (1921, 4175), (2825, 2839)]