28423540

素因数分解:

$2^2\times 5^1\times {\mathrm{241}}^1\times {\mathrm{5897}}^1$

素因数の和:6147

約数の個数: 24

約数和(自身を含む): 59947272

約数和(自身を除く): 31523732

約数列:

[1, 2, 4, 5, 10, 20, 241, 482, 964, 1205, 2410, 4820, 5897, 11794, 23588, 29485, 58970, 117940, 1421177, 2842354, 5684708, 7105885, 14211770, 28423540]

約数ペア:

[(1, 28423540), (2, 14211770), (4, 7105885), (5, 5684708), (10, 2842354), (20, 1421177), (241, 117940), (482, 58970), (964, 29485), (1205, 23588), (2410, 11794), (4820, 5897)]