4122140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{457}}^1$

素因数の和:518

約数の個数: 48

約数和(自身を含む): 9694944

約数和(自身を除く): 5572804

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 41, 44, 55, 82, 110, 164, 205, 220, 410, 451, 457, 820, 902, 914, 1804, 1828, 2255, 2285, 4510, 4570, 5027, 9020, 9140, 10054, 18737, 20108, 25135, 37474, 50270, 74948, 93685, 100540, 187370, 206107, 374740, 412214, 824428, 1030535, 2061070, 4122140]

約数ペア:

[(1, 4122140), (2, 2061070), (4, 1030535), (5, 824428), (10, 412214), (11, 374740), (20, 206107), (22, 187370), (41, 100540), (44, 93685), (55, 74948), (82, 50270), (110, 37474), (164, 25135), (205, 20108), (220, 18737), (410, 10054), (451, 9140), (457, 9020), (820, 5027), (902, 4570), (914, 4510), (1804, 2285), (1828, 2255)]