15722440

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{8363}}^1$

素因数の和:8421

約数の個数: 32

約数和(自身を含む): 36132480

約数和(自身を除く): 20410040

約数列:

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

約数ペア:

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