15903940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61169}}^1$

素因数の和:61191

約数の個数: 24

約数和(自身を含む): 35967960

約数和(自身を除く): 20064020

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 61169, 122338, 244676, 305845, 611690, 795197, 1223380, 1590394, 3180788, 3975985, 7951970, 15903940]

約数ペア:

[(1, 15903940), (2, 7951970), (4, 3975985), (5, 3180788), (10, 1590394), (13, 1223380), (20, 795197), (26, 611690), (52, 305845), (65, 244676), (130, 122338), (260, 61169)]