40112540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{154279}}^1$

素因数の和:154301

約数の個数: 24

約数和(自身を含む): 90716640

約数和(自身を除く): 50604100

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 154279, 308558, 617116, 771395, 1542790, 2005627, 3085580, 4011254, 8022508, 10028135, 20056270, 40112540]

約数ペア:

[(1, 40112540), (2, 20056270), (4, 10028135), (5, 8022508), (10, 4011254), (13, 3085580), (20, 2005627), (26, 1542790), (52, 771395), (65, 617116), (130, 308558), (260, 154279)]