2640460

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{53}}^2$

素因数の和:162

約数の個数: 36

約数和(自身を含む): 5771808

約数和(自身を除く): 3131348

約数列:

[1, 2, 4, 5, 10, 20, 47, 53, 94, 106, 188, 212, 235, 265, 470, 530, 940, 1060, 2491, 2809, 4982, 5618, 9964, 11236, 12455, 14045, 24910, 28090, 49820, 56180, 132023, 264046, 528092, 660115, 1320230, 2640460]

約数ペア:

[(1, 2640460), (2, 1320230), (4, 660115), (5, 528092), (10, 264046), (20, 132023), (47, 56180), (53, 49820), (94, 28090), (106, 24910), (188, 14045), (212, 12455), (235, 11236), (265, 9964), (470, 5618), (530, 4982), (940, 2809), (1060, 2491)]