7991480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{28541}}^1$

素因数の和:28559

約数の個数: 32

約数和(自身を含む): 20550240

約数和(自身を除く): 12558760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 28541, 57082, 114164, 142705, 199787, 228328, 285410, 399574, 570820, 799148, 998935, 1141640, 1598296, 1997870, 3995740, 7991480]

約数ペア:

[(1, 7991480), (2, 3995740), (4, 1997870), (5, 1598296), (7, 1141640), (8, 998935), (10, 799148), (14, 570820), (20, 399574), (28, 285410), (35, 228328), (40, 199787), (56, 142705), (70, 114164), (140, 57082), (280, 28541)]