25176980

素因数分解:

$2^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{7723}}^1$

素因数の和:7895

約数の個数: 24

約数和(自身を含む): 53202912

約数和(自身を除く): 28025932

約数列:

[1, 2, 4, 5, 10, 20, 163, 326, 652, 815, 1630, 3260, 7723, 15446, 30892, 38615, 77230, 154460, 1258849, 2517698, 5035396, 6294245, 12588490, 25176980]

約数ペア:

[(1, 25176980), (2, 12588490), (4, 6294245), (5, 5035396), (10, 2517698), (20, 1258849), (163, 154460), (326, 77230), (652, 38615), (815, 30892), (1630, 15446), (3260, 7723)]