7972040

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{4861}}^1$

素因数の和:4913

約数の個数: 32

約数和(自身を含む): 18378360

約数和(自身を除く): 10406320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 4861, 9722, 19444, 24305, 38888, 48610, 97220, 194440, 199301, 398602, 797204, 996505, 1594408, 1993010, 3986020, 7972040]

約数ペア:

[(1, 7972040), (2, 3986020), (4, 1993010), (5, 1594408), (8, 996505), (10, 797204), (20, 398602), (40, 199301), (41, 194440), (82, 97220), (164, 48610), (205, 38888), (328, 24305), (410, 19444), (820, 9722), (1640, 4861)]