9720625

素因数分解:

$5^4\times {\mathrm{103}}^1\times {\mathrm{151}}^1$

素因数の和:274

約数の個数: 20

約数和(自身を含む): 12346048

約数和(自身を除く): 2625423

約数列:

[1, 5, 25, 103, 125, 151, 515, 625, 755, 2575, 3775, 12875, 15553, 18875, 64375, 77765, 94375, 388825, 1944125, 9720625]

約数ペア:

[(1, 9720625), (5, 1944125), (25, 388825), (103, 94375), (125, 77765), (151, 64375), (515, 18875), (625, 15553), (755, 12875), (2575, 3775)]