17633125

素因数分解:

$5^4\times {\mathrm{89}}^1\times {\mathrm{317}}^1$

素因数の和:426

約数の個数: 20

約数和(自身を含む): 22352220

約数和(自身を除く): 4719095

約数列:

[1, 5, 25, 89, 125, 317, 445, 625, 1585, 2225, 7925, 11125, 28213, 39625, 55625, 141065, 198125, 705325, 3526625, 17633125]

約数ペア:

[(1, 17633125), (5, 3526625), (25, 705325), (89, 198125), (125, 141065), (317, 55625), (445, 39625), (625, 28213), (1585, 11125), (2225, 7925)]