407291240

素因数分解:

$2^3\times 5^1\times {\mathrm{1033}}^1\times {\mathrm{9857}}^1$

素因数の和:10901

約数の個数: 32

約数和(自身を含む): 917385480

約数和(自身を除く): 510094240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1033, 2066, 4132, 5165, 8264, 9857, 10330, 19714, 20660, 39428, 41320, 49285, 78856, 98570, 197140, 394280, 10182281, 20364562, 40729124, 50911405, 81458248, 101822810, 203645620, 407291240]

約数ペア:

[(1, 407291240), (2, 203645620), (4, 101822810), (5, 81458248), (8, 50911405), (10, 40729124), (20, 20364562), (40, 10182281), (1033, 394280), (2066, 197140), (4132, 98570), (5165, 78856), (8264, 49285), (9857, 41320), (10330, 39428), (19714, 20660)]