2608420

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{3181}}^1$

素因数の和:3231

約数の個数: 24

約数和(自身を含む): 5613048

約数和(自身を除く): 3004628

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 3181, 6362, 12724, 15905, 31810, 63620, 130421, 260842, 521684, 652105, 1304210, 2608420]

約数ペア:

[(1, 2608420), (2, 1304210), (4, 652105), (5, 521684), (10, 260842), (20, 130421), (41, 63620), (82, 31810), (164, 15905), (205, 12724), (410, 6362), (820, 3181)]