128066781025

素因数分解:

$5^2\times {\mathrm{41}}^1\times {\mathrm{1571}}^1\times {\mathrm{79531}}^1$

素因数の和:81153

約数の個数: 24

約数和(自身を含む): 162781643808

約数和(自身を除く): 34714862783

約数列:

[1, 5, 25, 41, 205, 1025, 1571, 7855, 39275, 64411, 79531, 322055, 397655, 1610275, 1988275, 3260771, 16303855, 81519275, 124943201, 624716005, 3123580025, 5122671241, 25613356205, 128066781025]

約数ペア:

[(1, 128066781025), (5, 25613356205), (25, 5122671241), (41, 3123580025), (205, 624716005), (1025, 124943201), (1571, 81519275), (7855, 16303855), (39275, 3260771), (64411, 1988275), (79531, 1610275), (322055, 397655)]