664120120

素因数分解:

$2^3\times 5^1\times {\mathrm{16603003}}^1$

素因数の和:16603014

約数の個数: 16

約数和(自身を含む): 1494270360

約数和(自身を除く): 830150240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 16603003, 33206006, 66412012, 83015015, 132824024, 166030030, 332060060, 664120120]

約数ペア:

[(1, 664120120), (2, 332060060), (4, 166030030), (5, 132824024), (8, 83015015), (10, 66412012), (20, 33206006), (40, 16603003)]