80419090

素因数分解:

$2^1\times 5^1\times {\mathrm{313}}^1\times {\mathrm{25693}}^1$

素因数の和:26013

約数の個数: 16

約数和(自身を含む): 145222488

約数和(自身を除く): 64803398

約数列:

[1, 2, 5, 10, 313, 626, 1565, 3130, 25693, 51386, 128465, 256930, 8041909, 16083818, 40209545, 80419090]

約数ペア:

[(1, 80419090), (2, 40209545), (5, 16083818), (10, 8041909), (313, 256930), (626, 128465), (1565, 51386), (3130, 25693)]