16408240

素因数分解:

$2^4\times 5^1\times {\mathrm{205103}}^1$

素因数の和:205116

約数の個数: 20

約数和(自身を含む): 38149344

約数和(自身を除く): 21741104

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 205103, 410206, 820412, 1025515, 1640824, 2051030, 3281648, 4102060, 8204120, 16408240]

約数ペア:

[(1, 16408240), (2, 8204120), (4, 4102060), (5, 3281648), (8, 2051030), (10, 1640824), (16, 1025515), (20, 820412), (40, 410206), (80, 205103)]