25980244

素因数分解:

$2^2\times {\mathrm{163}}^1\times {\mathrm{39847}}^1$

素因数の和:40014

約数の個数: 12

約数和(自身を含む): 45745504

約数和(自身を除く): 19765260

約数列:

[1, 2, 4, 163, 326, 652, 39847, 79694, 159388, 6495061, 12990122, 25980244]

約数ペア:

[(1, 25980244), (2, 12990122), (4, 6495061), (163, 159388), (326, 79694), (652, 39847)]