100664240

素因数分解:

$2^4\times 5^1\times {\mathrm{1258303}}^1$

素因数の和:1258316

約数の個数: 20

約数和(自身を含む): 234044544

約数和(自身を除く): 133380304

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1258303, 2516606, 5033212, 6291515, 10066424, 12583030, 20132848, 25166060, 50332120, 100664240]

約数ペア:

[(1, 100664240), (2, 50332120), (4, 25166060), (5, 20132848), (8, 12583030), (10, 10066424), (16, 6291515), (20, 5033212), (40, 2516606), (80, 1258303)]