7988080

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{3221}}^1$

素因数の和:3265

約数の個数: 40

約数和(自身を含む): 19177344

約数和(自身を除く): 11189264

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 3221, 6442, 12884, 16105, 25768, 32210, 51536, 64420, 99851, 128840, 199702, 257680, 399404, 499255, 798808, 998510, 1597616, 1997020, 3994040, 7988080]

約数ペア:

[(1, 7988080), (2, 3994040), (4, 1997020), (5, 1597616), (8, 998510), (10, 798808), (16, 499255), (20, 399404), (31, 257680), (40, 199702), (62, 128840), (80, 99851), (124, 64420), (155, 51536), (248, 32210), (310, 25768), (496, 16105), (620, 12884), (1240, 6442), (2480, 3221)]