2005367900

素因数分解:

$2^2\times 5^2\times {\mathrm{409}}^1\times {\mathrm{49031}}^1$

素因数の和:49454

約数の個数: 36

約数和(自身を含む): 4362377040

約数和(自身を除く): 2357009140

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 409, 818, 1636, 2045, 4090, 8180, 10225, 20450, 40900, 49031, 98062, 196124, 245155, 490310, 980620, 1225775, 2451550, 4903100, 20053679, 40107358, 80214716, 100268395, 200536790, 401073580, 501341975, 1002683950, 2005367900]

約数ペア:

[(1, 2005367900), (2, 1002683950), (4, 501341975), (5, 401073580), (10, 200536790), (20, 100268395), (25, 80214716), (50, 40107358), (100, 20053679), (409, 4903100), (818, 2451550), (1636, 1225775), (2045, 980620), (4090, 490310), (8180, 245155), (10225, 196124), (20450, 98062), (40900, 49031)]