80090620

素因数分解:

$2^2\times 5^1\times {\mathrm{281}}^1\times {\mathrm{14251}}^1$

素因数の和:14541

約数の個数: 24

約数和(自身を含む): 168800688

約数和(自身を除く): 88710068

約数列:

[1, 2, 4, 5, 10, 20, 281, 562, 1124, 1405, 2810, 5620, 14251, 28502, 57004, 71255, 142510, 285020, 4004531, 8009062, 16018124, 20022655, 40045310, 80090620]

約数ペア:

[(1, 80090620), (2, 40045310), (4, 20022655), (5, 16018124), (10, 8009062), (20, 4004531), (281, 285020), (562, 142510), (1124, 71255), (1405, 57004), (2810, 28502), (5620, 14251)]