38939420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{149767}}^1$

素因数の和:149789

約数の個数: 24

約数和(自身を含む): 88063584

約数和(自身を除く): 49124164

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 149767, 299534, 599068, 748835, 1497670, 1946971, 2995340, 3893942, 7787884, 9734855, 19469710, 38939420]

約数ペア:

[(1, 38939420), (2, 19469710), (4, 9734855), (5, 7787884), (10, 3893942), (13, 2995340), (20, 1946971), (26, 1497670), (52, 748835), (65, 599068), (130, 299534), (260, 149767)]