4089340

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{4987}}^1$

素因数の和:5037

約数の個数: 24

約数和(自身を含む): 8798832

約数和(自身を除く): 4709492

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 4987, 9974, 19948, 24935, 49870, 99740, 204467, 408934, 817868, 1022335, 2044670, 4089340]

約数ペア:

[(1, 4089340), (2, 2044670), (4, 1022335), (5, 817868), (10, 408934), (20, 204467), (41, 99740), (82, 49870), (164, 24935), (205, 19948), (410, 9974), (820, 4987)]