25920785

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{3163}}^1$

素因数の和:3328

約数の個数: 16

約数和(自身を含む): 34171200

約数和(自身を除く): 8250415

約数列:

[1, 5, 11, 55, 149, 745, 1639, 3163, 8195, 15815, 34793, 173965, 471287, 2356435, 5184157, 25920785]

約数ペア:

[(1, 25920785), (5, 5184157), (11, 2356435), (55, 471287), (149, 173965), (745, 34793), (1639, 15815), (3163, 8195)]