15944080

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{4861}}^1$

素因数の和:4915

約数の個数: 40

約数和(自身を含む): 37981944

約数和(自身を除く): 22037864

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 4861, 9722, 19444, 24305, 38888, 48610, 77776, 97220, 194440, 199301, 388880, 398602, 797204, 996505, 1594408, 1993010, 3188816, 3986020, 7972040, 15944080]

約数ペア:

[(1, 15944080), (2, 7972040), (4, 3986020), (5, 3188816), (8, 1993010), (10, 1594408), (16, 996505), (20, 797204), (40, 398602), (41, 388880), (80, 199301), (82, 194440), (164, 97220), (205, 77776), (328, 48610), (410, 38888), (656, 24305), (820, 19444), (1640, 9722), (3280, 4861)]