28250020

素因数分解:

$2^2\times 5^1\times {\mathrm{241}}^1\times {\mathrm{5861}}^1$

素因数の和:6111

約数の個数: 24

約数和(自身を含む): 59581368

約数和(自身を除く): 31331348

約数列:

[1, 2, 4, 5, 10, 20, 241, 482, 964, 1205, 2410, 4820, 5861, 11722, 23444, 29305, 58610, 117220, 1412501, 2825002, 5650004, 7062505, 14125010, 28250020]

約数ペア:

[(1, 28250020), (2, 14125010), (4, 7062505), (5, 5650004), (10, 2825002), (20, 1412501), (241, 117220), (482, 58610), (964, 29305), (1205, 23444), (2410, 11722), (4820, 5861)]