40534640

素因数分解:

$2^4\times 5^1\times {\mathrm{506683}}^1$

素因数の和:506696

約数の個数: 20

約数和(自身を含む): 94243224

約数和(自身を除く): 53708584

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 506683, 1013366, 2026732, 2533415, 4053464, 5066830, 8106928, 10133660, 20267320, 40534640]

約数ペア:

[(1, 40534640), (2, 20267320), (4, 10133660), (5, 8106928), (8, 5066830), (10, 4053464), (16, 2533415), (20, 2026732), (40, 1013366), (80, 506683)]