31055380

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{11171}}^1$

素因数の和:11319

約数の個数: 24

約数和(自身を含む): 65691360

約数和(自身を除く): 34635980

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 556, 695, 1390, 2780, 11171, 22342, 44684, 55855, 111710, 223420, 1552769, 3105538, 6211076, 7763845, 15527690, 31055380]

約数ペア:

[(1, 31055380), (2, 15527690), (4, 7763845), (5, 6211076), (10, 3105538), (20, 1552769), (139, 223420), (278, 111710), (556, 55855), (695, 44684), (1390, 22342), (2780, 11171)]