54655625

素因数分解:

$5^4\times {\mathrm{157}}^1\times {\mathrm{557}}^1$

素因数の和:734

約数の個数: 20

約数和(自身を含む): 68856084

約数和(自身を除く): 14200459

約数列:

[1, 5, 25, 125, 157, 557, 625, 785, 2785, 3925, 13925, 19625, 69625, 87449, 98125, 348125, 437245, 2186225, 10931125, 54655625]

約数ペア:

[(1, 54655625), (5, 10931125), (25, 2186225), (125, 437245), (157, 348125), (557, 98125), (625, 87449), (785, 69625), (2785, 19625), (3925, 13925)]