16185980

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{19739}}^1$

素因数の和:19789

約数の個数: 24

約数和(自身を含む): 34821360

約数和(自身を除く): 18635380

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 19739, 39478, 78956, 98695, 197390, 394780, 809299, 1618598, 3237196, 4046495, 8092990, 16185980]

約数ペア:

[(1, 16185980), (2, 8092990), (4, 4046495), (5, 3237196), (10, 1618598), (20, 809299), (41, 394780), (82, 197390), (164, 98695), (205, 78956), (410, 39478), (820, 19739)]