2018687080

素因数分解:

$2^3\times 5^1\times {\mathrm{1117}}^1\times {\mathrm{45181}}^1$

素因数の和:46309

約数の個数: 32

約数和(自身を含む): 4546212840

約数和(自身を除く): 2527525760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1117, 2234, 4468, 5585, 8936, 11170, 22340, 44680, 45181, 90362, 180724, 225905, 361448, 451810, 903620, 1807240, 50467177, 100934354, 201868708, 252335885, 403737416, 504671770, 1009343540, 2018687080]

約数ペア:

[(1, 2018687080), (2, 1009343540), (4, 504671770), (5, 403737416), (8, 252335885), (10, 201868708), (20, 100934354), (40, 50467177), (1117, 1807240), (2234, 903620), (4468, 451810), (5585, 361448), (8936, 225905), (11170, 180724), (22340, 90362), (44680, 45181)]