40531760

素因数分解:

$2^4\times 5^1\times {\mathrm{506647}}^1$

素因数の和:506660

約数の個数: 20

約数和(自身を含む): 94236528

約数和(自身を除く): 53704768

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 506647, 1013294, 2026588, 2533235, 4053176, 5066470, 8106352, 10132940, 20265880, 40531760]

約数ペア:

[(1, 40531760), (2, 20265880), (4, 10132940), (5, 8106352), (8, 5066470), (10, 4053176), (16, 2533235), (20, 2026588), (40, 1013294), (80, 506647)]