1801026680

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{1098187}}^1$

素因数の和:1098239

約数の個数: 32

約数和(自身を含む): 4151150640

約数和(自身を除く): 2350123960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 1098187, 2196374, 4392748, 5490935, 8785496, 10981870, 21963740, 43927480, 45025667, 90051334, 180102668, 225128335, 360205336, 450256670, 900513340, 1801026680]

約数ペア:

[(1, 1801026680), (2, 900513340), (4, 450256670), (5, 360205336), (8, 225128335), (10, 180102668), (20, 90051334), (40, 45025667), (41, 43927480), (82, 21963740), (164, 10981870), (205, 8785496), (328, 5490935), (410, 4392748), (820, 2196374), (1640, 1098187)]