219528080

素因数分解:

$2^4\times 5^1\times {\mathrm{853}}^1\times {\mathrm{3217}}^1$

素因数の和:4083

約数の個数: 40

約数和(自身を含む): 511159992

約数和(自身を除く): 291631912

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 853, 1706, 3217, 3412, 4265, 6434, 6824, 8530, 12868, 13648, 16085, 17060, 25736, 32170, 34120, 51472, 64340, 68240, 128680, 257360, 2744101, 5488202, 10976404, 13720505, 21952808, 27441010, 43905616, 54882020, 109764040, 219528080]

約数ペア:

[(1, 219528080), (2, 109764040), (4, 54882020), (5, 43905616), (8, 27441010), (10, 21952808), (16, 13720505), (20, 10976404), (40, 5488202), (80, 2744101), (853, 257360), (1706, 128680), (3217, 68240), (3412, 64340), (4265, 51472), (6434, 34120), (6824, 32170), (8530, 25736), (12868, 17060), (13648, 16085)]