40028690

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{367}}^1\times {\mathrm{839}}^1$

素因数の和:1226

約数の個数: 32

約数和(自身を含む): 77898240

約数和(自身を除く): 37869550

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 367, 734, 839, 1678, 1835, 3670, 4195, 4771, 8390, 9542, 10907, 21814, 23855, 47710, 54535, 109070, 307913, 615826, 1539565, 3079130, 4002869, 8005738, 20014345, 40028690]

約数ペア:

[(1, 40028690), (2, 20014345), (5, 8005738), (10, 4002869), (13, 3079130), (26, 1539565), (65, 615826), (130, 307913), (367, 109070), (734, 54535), (839, 47710), (1678, 23855), (1835, 21814), (3670, 10907), (4195, 9542), (4771, 8390)]