139458520

素因数分解:

$2^3\times 5^1\times {\mathrm{3486463}}^1$

素因数の和:3486474

約数の個数: 16

約数和(自身を含む): 313781760

約数和(自身を除く): 174323240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3486463, 6972926, 13945852, 17432315, 27891704, 34864630, 69729260, 139458520]

約数ペア:

[(1, 139458520), (2, 69729260), (4, 34864630), (5, 27891704), (8, 17432315), (10, 13945852), (20, 6972926), (40, 3486463)]