4028650

素因数分解:

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

素因数の和:618

約数の個数: 24

約数和(自身を含む): 7549740

約数和(自身を除く): 3521090

約数列:

[1, 2, 5, 10, 25, 50, 197, 394, 409, 818, 985, 1970, 2045, 4090, 4925, 9850, 10225, 20450, 80573, 161146, 402865, 805730, 2014325, 4028650]

約数ペア:

[(1, 4028650), (2, 2014325), (5, 805730), (10, 402865), (25, 161146), (50, 80573), (197, 20450), (394, 10225), (409, 9850), (818, 4925), (985, 4090), (1970, 2045)]