25953980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{99823}}^1$

素因数の和:99845

約数の個数: 24

約数和(自身を含む): 58696512

約数和(自身を除く): 32742532

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 99823, 199646, 399292, 499115, 998230, 1297699, 1996460, 2595398, 5190796, 6488495, 12976990, 25953980]

約数ペア:

[(1, 25953980), (2, 12976990), (4, 6488495), (5, 5190796), (10, 2595398), (13, 1996460), (20, 1297699), (26, 998230), (52, 499115), (65, 399292), (130, 199646), (260, 99823)]