73387240

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{42667}}^1$

素因数の和:42721

約数の個数: 32

約数和(自身を含む): 168965280

約数和(自身を除く): 95578040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 42667, 85334, 170668, 213335, 341336, 426670, 853340, 1706680, 1834681, 3669362, 7338724, 9173405, 14677448, 18346810, 36693620, 73387240]

約数ペア:

[(1, 73387240), (2, 36693620), (4, 18346810), (5, 14677448), (8, 9173405), (10, 7338724), (20, 3669362), (40, 1834681), (43, 1706680), (86, 853340), (172, 426670), (215, 341336), (344, 213335), (430, 170668), (860, 85334), (1720, 42667)]