64111480

素因数分解:

$2^3\times 5^1\times {\mathrm{853}}^1\times {\mathrm{1879}}^1$

素因数の和:2743

約数の個数: 32

約数和(自身を含む): 144496800

約数和(自身を除く): 80385320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 853, 1706, 1879, 3412, 3758, 4265, 6824, 7516, 8530, 9395, 15032, 17060, 18790, 34120, 37580, 75160, 1602787, 3205574, 6411148, 8013935, 12822296, 16027870, 32055740, 64111480]

約数ペア:

[(1, 64111480), (2, 32055740), (4, 16027870), (5, 12822296), (8, 8013935), (10, 6411148), (20, 3205574), (40, 1602787), (853, 75160), (1706, 37580), (1879, 34120), (3412, 18790), (3758, 17060), (4265, 15032), (6824, 9395), (7516, 8530)]