72894040

素因数分解:

$2^3\times 5^1\times {\mathrm{113}}^1\times {\mathrm{16127}}^1$

素因数の和:16251

約数の個数: 32

約数和(自身を含む): 165473280

約数和(自身を除く): 92579240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 113, 226, 452, 565, 904, 1130, 2260, 4520, 16127, 32254, 64508, 80635, 129016, 161270, 322540, 645080, 1822351, 3644702, 7289404, 9111755, 14578808, 18223510, 36447020, 72894040]

約数ペア:

[(1, 72894040), (2, 36447020), (4, 18223510), (5, 14578808), (8, 9111755), (10, 7289404), (20, 3644702), (40, 1822351), (113, 645080), (226, 322540), (452, 161270), (565, 129016), (904, 80635), (1130, 64508), (2260, 32254), (4520, 16127)]