20143250

素因数分解:

$2^1\times 5^3\times {\mathrm{197}}^1\times {\mathrm{409}}^1$

素因数の和:623

約数の個数: 32

約数和(自身を含む): 37992240

約数和(自身を除く): 17848990

約数列:

[1, 2, 5, 10, 25, 50, 125, 197, 250, 394, 409, 818, 985, 1970, 2045, 4090, 4925, 9850, 10225, 20450, 24625, 49250, 51125, 80573, 102250, 161146, 402865, 805730, 2014325, 4028650, 10071625, 20143250]

約数ペア:

[(1, 20143250), (2, 10071625), (5, 4028650), (10, 2014325), (25, 805730), (50, 402865), (125, 161146), (197, 102250), (250, 80573), (394, 51125), (409, 49250), (818, 24625), (985, 20450), (1970, 10225), (2045, 9850), (4090, 4925)]