1662140

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{2027}}^1$

素因数の和:2077

約数の個数: 24

約数和(自身を含む): 3577392

約数和(自身を除く): 1915252

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 2027, 4054, 8108, 10135, 20270, 40540, 83107, 166214, 332428, 415535, 831070, 1662140]

約数ペア:

[(1, 1662140), (2, 831070), (4, 415535), (5, 332428), (10, 166214), (20, 83107), (41, 40540), (82, 20270), (164, 10135), (205, 8108), (410, 4054), (820, 2027)]