111664120

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{64921}}^1$

素因数の和:64975

約数の個数: 32

約数和(自身を含む): 257091120

約数和(自身を除く): 145427000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 64921, 129842, 259684, 324605, 519368, 649210, 1298420, 2596840, 2791603, 5583206, 11166412, 13958015, 22332824, 27916030, 55832060, 111664120]

約数ペア:

[(1, 111664120), (2, 55832060), (4, 27916030), (5, 22332824), (8, 13958015), (10, 11166412), (20, 5583206), (40, 2791603), (43, 2596840), (86, 1298420), (172, 649210), (215, 519368), (344, 324605), (430, 259684), (860, 129842), (1720, 64921)]