27489080

素因数分解:

$2^3\times 5^1\times {\mathrm{211}}^1\times {\mathrm{3257}}^1$

素因数の和:3479

約数の個数: 32

約数和(自身を含む): 62162640

約数和(自身を除く): 34673560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 211, 422, 844, 1055, 1688, 2110, 3257, 4220, 6514, 8440, 13028, 16285, 26056, 32570, 65140, 130280, 687227, 1374454, 2748908, 3436135, 5497816, 6872270, 13744540, 27489080]

約数ペア:

[(1, 27489080), (2, 13744540), (4, 6872270), (5, 5497816), (8, 3436135), (10, 2748908), (20, 1374454), (40, 687227), (211, 130280), (422, 65140), (844, 32570), (1055, 26056), (1688, 16285), (2110, 13028), (3257, 8440), (4220, 6514)]