82615700

素因数分解:

$2^2\times 5^2\times {\mathrm{397}}^1\times {\mathrm{2081}}^1$

素因数の和:2492

約数の個数: 36

約数和(自身を含む): 179814012

約数和(自身を除く): 97198312

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 397, 794, 1588, 1985, 2081, 3970, 4162, 7940, 8324, 9925, 10405, 19850, 20810, 39700, 41620, 52025, 104050, 208100, 826157, 1652314, 3304628, 4130785, 8261570, 16523140, 20653925, 41307850, 82615700]

約数ペア:

[(1, 82615700), (2, 41307850), (4, 20653925), (5, 16523140), (10, 8261570), (20, 4130785), (25, 3304628), (50, 1652314), (100, 826157), (397, 208100), (794, 104050), (1588, 52025), (1985, 41620), (2081, 39700), (3970, 20810), (4162, 19850), (7940, 10405), (8324, 9925)]