79871260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{570509}}^1$

素因数の和:570525

約数の個数: 24

約数和(自身を含む): 191691360

約数和(自身を除く): 111820100

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 570509, 1141018, 2282036, 2852545, 3993563, 5705090, 7987126, 11410180, 15974252, 19967815, 39935630, 79871260]

約数ペア:

[(1, 79871260), (2, 39935630), (4, 19967815), (5, 15974252), (7, 11410180), (10, 7987126), (14, 5705090), (20, 3993563), (28, 2852545), (35, 2282036), (70, 1141018), (140, 570509)]