40188460

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{154571}}^1$

素因数の和:154593

約数の個数: 24

約数和(自身を含む): 90888336

約数和(自身を除く): 50699876

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 154571, 309142, 618284, 772855, 1545710, 2009423, 3091420, 4018846, 8037692, 10047115, 20094230, 40188460]

約数ペア:

[(1, 40188460), (2, 20094230), (4, 10047115), (5, 8037692), (10, 4018846), (13, 3091420), (20, 2009423), (26, 1545710), (52, 772855), (65, 618284), (130, 309142), (260, 154571)]