8128675

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{157}}^1$

素因数の和:295

約数の個数: 24

約数和(自身を含む): 10775600

約数和(自身を除く): 2646925

約数列:

[1, 5, 19, 25, 95, 109, 157, 475, 545, 785, 2071, 2725, 2983, 3925, 10355, 14915, 17113, 51775, 74575, 85565, 325147, 427825, 1625735, 8128675]

約数ペア:

[(1, 8128675), (5, 1625735), (19, 427825), (25, 325147), (95, 85565), (109, 74575), (157, 51775), (475, 17113), (545, 14915), (785, 10355), (2071, 3925), (2725, 2983)]