165284720

素因数分解:

$2^4\times 5^1\times {\mathrm{2066059}}^1$

素因数の和:2066072

約数の個数: 20

約数和(自身を含む): 384287160

約数和(自身を除く): 219002440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2066059, 4132118, 8264236, 10330295, 16528472, 20660590, 33056944, 41321180, 82642360, 165284720]

約数ペア:

[(1, 165284720), (2, 82642360), (4, 41321180), (5, 33056944), (8, 20660590), (10, 16528472), (16, 10330295), (20, 8264236), (40, 4132118), (80, 2066059)]