166784680

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{58727}}^1$

素因数の和:58809

約数の個数: 32

約数和(自身を含む): 380557440

約数和(自身を除く): 213772760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 58727, 117454, 234908, 293635, 469816, 587270, 1174540, 2349080, 4169617, 8339234, 16678468, 20848085, 33356936, 41696170, 83392340, 166784680]

約数ペア:

[(1, 166784680), (2, 83392340), (4, 41696170), (5, 33356936), (8, 20848085), (10, 16678468), (20, 8339234), (40, 4169617), (71, 2349080), (142, 1174540), (284, 587270), (355, 469816), (568, 293635), (710, 234908), (1420, 117454), (2840, 58727)]