79810840

素因数分解:

$2^3\times 5^1\times {\mathrm{1995271}}^1$

素因数の和:1995282

約数の個数: 16

約数和(自身を含む): 179574480

約数和(自身を除く): 99763640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1995271, 3990542, 7981084, 9976355, 15962168, 19952710, 39905420, 79810840]

約数ペア:

[(1, 79810840), (2, 39905420), (4, 19952710), (5, 15962168), (8, 9976355), (10, 7981084), (20, 3990542), (40, 1995271)]