28220650

素因数分解:

$2^1\times 5^2\times {\mathrm{223}}^1\times {\mathrm{2531}}^1$

素因数の和:2766

約数の個数: 24

約数和(自身を含む): 52746624

約数和(自身を除く): 24525974

約数列:

[1, 2, 5, 10, 25, 50, 223, 446, 1115, 2230, 2531, 5062, 5575, 11150, 12655, 25310, 63275, 126550, 564413, 1128826, 2822065, 5644130, 14110325, 28220650]

約数ペア:

[(1, 28220650), (2, 14110325), (5, 5644130), (10, 2822065), (25, 1128826), (50, 564413), (223, 126550), (446, 63275), (1115, 25310), (2230, 12655), (2531, 11150), (5062, 5575)]