9007940

素因数分解:

$2^2\times 5^1\times {\mathrm{461}}^1\times {\mathrm{977}}^1$

素因数の和:1447

約数の個数: 24

約数和(自身を含む): 18977112

約数和(自身を除く): 9969172

約数列:

[1, 2, 4, 5, 10, 20, 461, 922, 977, 1844, 1954, 2305, 3908, 4610, 4885, 9220, 9770, 19540, 450397, 900794, 1801588, 2251985, 4503970, 9007940]

約数ペア:

[(1, 9007940), (2, 4503970), (4, 2251985), (5, 1801588), (10, 900794), (20, 450397), (461, 19540), (922, 9770), (977, 9220), (1844, 4885), (1954, 4610), (2305, 3908)]