164625875

素因数分解:

$5^3\times {\mathrm{17}}^1\times {\mathrm{77471}}^1$

素因数の和:77503

約数の個数: 16

約数和(自身を含む): 217541376

約数和(自身を除く): 52915501

約数列:

[1, 5, 17, 25, 85, 125, 425, 2125, 77471, 387355, 1317007, 1936775, 6585035, 9683875, 32925175, 164625875]

約数ペア:

[(1, 164625875), (5, 32925175), (17, 9683875), (25, 6585035), (85, 1936775), (125, 1317007), (425, 387355), (2125, 77471)]