28300540

素因数分解:

$2^2\times 5^1\times {\mathrm{1091}}^1\times {\mathrm{1297}}^1$

素因数の和:2397

約数の個数: 24

約数和(自身を含む): 59531472

約数和(自身を除く): 31230932

約数列:

[1, 2, 4, 5, 10, 20, 1091, 1297, 2182, 2594, 4364, 5188, 5455, 6485, 10910, 12970, 21820, 25940, 1415027, 2830054, 5660108, 7075135, 14150270, 28300540]

約数ペア:

[(1, 28300540), (2, 14150270), (4, 7075135), (5, 5660108), (10, 2830054), (20, 1415027), (1091, 25940), (1297, 21820), (2182, 12970), (2594, 10910), (4364, 6485), (5188, 5455)]