857740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3299}}^1$

素因数の和:3321

約数の個数: 24

約数和(自身を含む): 1940400

約数和(自身を除く): 1082660

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 3299, 6598, 13196, 16495, 32990, 42887, 65980, 85774, 171548, 214435, 428870, 857740]

約数ペア:

[(1, 857740), (2, 428870), (4, 214435), (5, 171548), (10, 85774), (13, 65980), (20, 42887), (26, 32990), (52, 16495), (65, 13196), (130, 6598), (260, 3299)]