123451340

素因数分解:

$2^2\times 5^1\times {\mathrm{271}}^1\times {\mathrm{22777}}^1$

素因数の和:23057

約数の個数: 24

約数和(自身を含む): 260215872

約数和(自身を除く): 136764532

約数列:

[1, 2, 4, 5, 10, 20, 271, 542, 1084, 1355, 2710, 5420, 22777, 45554, 91108, 113885, 227770, 455540, 6172567, 12345134, 24690268, 30862835, 61725670, 123451340]

約数ペア:

[(1, 123451340), (2, 61725670), (4, 30862835), (5, 24690268), (10, 12345134), (20, 6172567), (271, 455540), (542, 227770), (1084, 113885), (1355, 91108), (2710, 45554), (5420, 22777)]