25981150

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{39971}}^1$

素因数の和:39996

約数の個数: 24

約数和(自身を含む): 52043544

約数和(自身を除く): 26062394

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 39971, 79942, 199855, 399710, 519623, 999275, 1039246, 1998550, 2598115, 5196230, 12990575, 25981150]

約数ペア:

[(1, 25981150), (2, 12990575), (5, 5196230), (10, 2598115), (13, 1998550), (25, 1039246), (26, 999275), (50, 519623), (65, 399710), (130, 199855), (325, 79942), (650, 39971)]