57139420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{219767}}^1$

素因数の和:219789

約数の個数: 24

約数和(自身を含む): 129223584

約数和(自身を除く): 72084164

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 219767, 439534, 879068, 1098835, 2197670, 2856971, 4395340, 5713942, 11427884, 14284855, 28569710, 57139420]

約数ペア:

[(1, 57139420), (2, 28569710), (4, 14284855), (5, 11427884), (10, 5713942), (13, 4395340), (20, 2856971), (26, 2197670), (52, 1098835), (65, 879068), (130, 439534), (260, 219767)]