31019950

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^2\times {\mathrm{3671}}^1$

素因数の和:3709

約数の個数: 36

約数和(自身を含む): 62493768

約数和(自身を除く): 31473818

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 169, 325, 338, 650, 845, 1690, 3671, 4225, 7342, 8450, 18355, 36710, 47723, 91775, 95446, 183550, 238615, 477230, 620399, 1193075, 1240798, 2386150, 3101995, 6203990, 15509975, 31019950]

約数ペア:

[(1, 31019950), (2, 15509975), (5, 6203990), (10, 3101995), (13, 2386150), (25, 1240798), (26, 1193075), (50, 620399), (65, 477230), (130, 238615), (169, 183550), (325, 95446), (338, 91775), (650, 47723), (845, 36710), (1690, 18355), (3671, 8450), (4225, 7342)]