2120950

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^2\times {\mathrm{251}}^1$

素因数の和:289

約数の個数: 36

約数和(自身を含む): 4288788

約数和(自身を除く): 2167838

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 169, 251, 325, 338, 502, 650, 845, 1255, 1690, 2510, 3263, 4225, 6275, 6526, 8450, 12550, 16315, 32630, 42419, 81575, 84838, 163150, 212095, 424190, 1060475, 2120950]

約数ペア:

[(1, 2120950), (2, 1060475), (5, 424190), (10, 212095), (13, 163150), (25, 84838), (26, 81575), (50, 42419), (65, 32630), (130, 16315), (169, 12550), (251, 8450), (325, 6526), (338, 6275), (502, 4225), (650, 3263), (845, 2510), (1255, 1690)]