28154860

素因数分解:

$2^2\times 5^1\times {\mathrm{331}}^1\times {\mathrm{4253}}^1$

素因数の和:4593

約数の個数: 24

約数和(自身を含む): 59317776

約数和(自身を除く): 31162916

約数列:

[1, 2, 4, 5, 10, 20, 331, 662, 1324, 1655, 3310, 4253, 6620, 8506, 17012, 21265, 42530, 85060, 1407743, 2815486, 5630972, 7038715, 14077430, 28154860]

約数ペア:

[(1, 28154860), (2, 14077430), (4, 7038715), (5, 5630972), (10, 2815486), (20, 1407743), (331, 85060), (662, 42530), (1324, 21265), (1655, 17012), (3310, 8506), (4253, 6620)]