79031620

素因数分解:

$2^2\times 5^1\times {\mathrm{499}}^1\times {\mathrm{7919}}^1$

素因数の和:8427

約数の個数: 24

約数和(自身を含む): 166320000

約数和(自身を除く): 87288380

約数列:

[1, 2, 4, 5, 10, 20, 499, 998, 1996, 2495, 4990, 7919, 9980, 15838, 31676, 39595, 79190, 158380, 3951581, 7903162, 15806324, 19757905, 39515810, 79031620]

約数ペア:

[(1, 79031620), (2, 39515810), (4, 19757905), (5, 15806324), (10, 7903162), (20, 3951581), (499, 158380), (998, 79190), (1996, 39595), (2495, 31676), (4990, 15838), (7919, 9980)]