80772205

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{163}}^1$

素因数の和:361

約数の個数: 32

約数和(自身を含む): 105799680

約数和(自身を除く): 25027475

約数列:

[1, 5, 23, 31, 115, 139, 155, 163, 695, 713, 815, 3197, 3565, 3749, 4309, 5053, 15985, 18745, 21545, 22657, 25265, 99107, 113285, 116219, 495535, 521111, 581095, 702367, 2605555, 3511835, 16154441, 80772205]

約数ペア:

[(1, 80772205), (5, 16154441), (23, 3511835), (31, 2605555), (115, 702367), (139, 581095), (155, 521111), (163, 495535), (695, 116219), (713, 113285), (815, 99107), (3197, 25265), (3565, 22657), (3749, 21545), (4309, 18745), (5053, 15985)]