40249690

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{409}}^1\times {\mathrm{757}}^1$

素因数の和:1186

約数の個数: 32

約数和(自身を含む): 78316560

約数和(自身を除く): 38066870

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 409, 757, 818, 1514, 2045, 3785, 4090, 5317, 7570, 9841, 10634, 19682, 26585, 49205, 53170, 98410, 309613, 619226, 1548065, 3096130, 4024969, 8049938, 20124845, 40249690]

約数ペア:

[(1, 40249690), (2, 20124845), (5, 8049938), (10, 4024969), (13, 3096130), (26, 1548065), (65, 619226), (130, 309613), (409, 98410), (757, 53170), (818, 49205), (1514, 26585), (2045, 19682), (3785, 10634), (4090, 9841), (5317, 7570)]