38049980

素因数分解:

$2^2\times 5^1\times {\mathrm{421}}^1\times {\mathrm{4519}}^1$

素因数の和:4949

約数の個数: 24

約数和(自身を含む): 80112480

約数和(自身を除く): 42062500

約数列:

[1, 2, 4, 5, 10, 20, 421, 842, 1684, 2105, 4210, 4519, 8420, 9038, 18076, 22595, 45190, 90380, 1902499, 3804998, 7609996, 9512495, 19024990, 38049980]

約数ペア:

[(1, 38049980), (2, 19024990), (4, 9512495), (5, 7609996), (10, 3804998), (20, 1902499), (421, 90380), (842, 45190), (1684, 22595), (2105, 18076), (4210, 9038), (4519, 8420)]