2642450

素因数分解:

$2^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{1289}}^1$

素因数の和:1342

約数の個数: 24

約数和(自身を含む): 5038740

約数和(自身を除く): 2396290

約数列:

[1, 2, 5, 10, 25, 41, 50, 82, 205, 410, 1025, 1289, 2050, 2578, 6445, 12890, 32225, 52849, 64450, 105698, 264245, 528490, 1321225, 2642450]

約数ペア:

[(1, 2642450), (2, 1321225), (5, 528490), (10, 264245), (25, 105698), (41, 64450), (50, 52849), (82, 32225), (205, 12890), (410, 6445), (1025, 2578), (1289, 2050)]