80833580

素因数分解:

$2^2\times 5^1\times {\mathrm{401}}^1\times {\mathrm{10079}}^1$

素因数の和:10489

約数の個数: 24

約数和(自身を含む): 170190720

約数和(自身を除く): 89357140

約数列:

[1, 2, 4, 5, 10, 20, 401, 802, 1604, 2005, 4010, 8020, 10079, 20158, 40316, 50395, 100790, 201580, 4041679, 8083358, 16166716, 20208395, 40416790, 80833580]

約数ペア:

[(1, 80833580), (2, 40416790), (4, 20208395), (5, 16166716), (10, 8083358), (20, 4041679), (401, 201580), (802, 100790), (1604, 50395), (2005, 40316), (4010, 20158), (8020, 10079)]