28225900

素因数分解:

$2^2\times 5^2\times {\mathrm{239}}^1\times {\mathrm{1181}}^1$

素因数の和:1434

約数の個数: 36

約数和(自身を含む): 61558560

約数和(自身を除く): 33332660

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 239, 478, 956, 1181, 1195, 2362, 2390, 4724, 4780, 5905, 5975, 11810, 11950, 23620, 23900, 29525, 59050, 118100, 282259, 564518, 1129036, 1411295, 2822590, 5645180, 7056475, 14112950, 28225900]

約数ペア:

[(1, 28225900), (2, 14112950), (4, 7056475), (5, 5645180), (10, 2822590), (20, 1411295), (25, 1129036), (50, 564518), (100, 282259), (239, 118100), (478, 59050), (956, 29525), (1181, 23900), (1195, 23620), (2362, 11950), (2390, 11810), (4724, 5975), (4780, 5905)]