68420950

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{105263}}^1$

素因数の和:105288

約数の個数: 24

約数和(自身を含む): 137053728

約数和(自身を除く): 68632778

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 105263, 210526, 526315, 1052630, 1368419, 2631575, 2736838, 5263150, 6842095, 13684190, 34210475, 68420950]

約数ペア:

[(1, 68420950), (2, 34210475), (5, 13684190), (10, 6842095), (13, 5263150), (25, 2736838), (26, 2631575), (50, 1368419), (65, 1052630), (130, 526315), (325, 210526), (650, 105263)]