80665468

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{15359}}^1$

素因数の和:15477

約数の個数: 24

約数和(自身を含む): 153538560

約数和(自身を除く): 72873092

約数列:

[1, 2, 4, 13, 26, 52, 101, 202, 404, 1313, 2626, 5252, 15359, 30718, 61436, 199667, 399334, 798668, 1551259, 3102518, 6205036, 20166367, 40332734, 80665468]

約数ペア:

[(1, 80665468), (2, 40332734), (4, 20166367), (13, 6205036), (26, 3102518), (52, 1551259), (101, 798668), (202, 399334), (404, 199667), (1313, 61436), (2626, 30718), (5252, 15359)]