31444880

素因数分解:

$2^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{8363}}^1$

素因数の和:8423

約数の個数: 40

約数和(自身を含む): 74673792

約数和(自身を除く): 43228912

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 47, 80, 94, 188, 235, 376, 470, 752, 940, 1880, 3760, 8363, 16726, 33452, 41815, 66904, 83630, 133808, 167260, 334520, 393061, 669040, 786122, 1572244, 1965305, 3144488, 3930610, 6288976, 7861220, 15722440, 31444880]

約数ペア:

[(1, 31444880), (2, 15722440), (4, 7861220), (5, 6288976), (8, 3930610), (10, 3144488), (16, 1965305), (20, 1572244), (40, 786122), (47, 669040), (80, 393061), (94, 334520), (188, 167260), (235, 133808), (376, 83630), (470, 66904), (752, 41815), (940, 33452), (1880, 16726), (3760, 8363)]