64579880

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{34351}}^1$

素因数の和:34409

約数の個数: 32

約数和(自身を含む): 148400640

約数和(自身を除く): 83820760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 940, 1880, 34351, 68702, 137404, 171755, 274808, 343510, 687020, 1374040, 1614497, 3228994, 6457988, 8072485, 12915976, 16144970, 32289940, 64579880]

約数ペア:

[(1, 64579880), (2, 32289940), (4, 16144970), (5, 12915976), (8, 8072485), (10, 6457988), (20, 3228994), (40, 1614497), (47, 1374040), (94, 687020), (188, 343510), (235, 274808), (376, 171755), (470, 137404), (940, 68702), (1880, 34351)]