28646420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{130211}}^1$

素因数の和:130231

約数の個数: 24

約数和(自身を含む): 65626848

約数和(自身を除く): 36980428

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 130211, 260422, 520844, 651055, 1302110, 1432321, 2604220, 2864642, 5729284, 7161605, 14323210, 28646420]

約数ペア:

[(1, 28646420), (2, 14323210), (4, 7161605), (5, 5729284), (10, 2864642), (11, 2604220), (20, 1432321), (22, 1302110), (44, 651055), (55, 520844), (110, 260422), (220, 130211)]