28022420

素因数分解:

$2^2\times 5^1\times {\mathrm{181}}^1\times {\mathrm{7741}}^1$

素因数の和:7931

約数の個数: 24

約数和(自身を含む): 59179848

約数和(自身を除く): 31157428

約数列:

[1, 2, 4, 5, 10, 20, 181, 362, 724, 905, 1810, 3620, 7741, 15482, 30964, 38705, 77410, 154820, 1401121, 2802242, 5604484, 7005605, 14011210, 28022420]

約数ペア:

[(1, 28022420), (2, 14011210), (4, 7005605), (5, 5604484), (10, 2802242), (20, 1401121), (181, 154820), (362, 77410), (724, 38705), (905, 30964), (1810, 15482), (3620, 7741)]