8860100

素因数分解:

$2^2\times 5^2\times {\mathrm{41}}^1\times {\mathrm{2161}}^1$

素因数の和:2216

約数の個数: 36

約数和(自身を含む): 19704468

約数和(自身を除く): 10844368

約数列:

[1, 2, 4, 5, 10, 20, 25, 41, 50, 82, 100, 164, 205, 410, 820, 1025, 2050, 2161, 4100, 4322, 8644, 10805, 21610, 43220, 54025, 88601, 108050, 177202, 216100, 354404, 443005, 886010, 1772020, 2215025, 4430050, 8860100]

約数ペア:

[(1, 8860100), (2, 4430050), (4, 2215025), (5, 1772020), (10, 886010), (20, 443005), (25, 354404), (41, 216100), (50, 177202), (82, 108050), (100, 88601), (164, 54025), (205, 43220), (410, 21610), (820, 10805), (1025, 8644), (2050, 4322), (2161, 4100)]