39802180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{227}}^1\times {\mathrm{797}}^1$

素因数の和:1044

約数の個数: 48

約数和(自身を含む): 91699776

約数和(自身を除く): 51897596

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 227, 454, 797, 908, 1135, 1594, 2270, 2497, 3188, 3985, 4540, 4994, 7970, 8767, 9988, 12485, 15940, 17534, 24970, 35068, 43835, 49940, 87670, 175340, 180919, 361838, 723676, 904595, 1809190, 1990109, 3618380, 3980218, 7960436, 9950545, 19901090, 39802180]

約数ペア:

[(1, 39802180), (2, 19901090), (4, 9950545), (5, 7960436), (10, 3980218), (11, 3618380), (20, 1990109), (22, 1809190), (44, 904595), (55, 723676), (110, 361838), (220, 180919), (227, 175340), (454, 87670), (797, 49940), (908, 43835), (1135, 35068), (1594, 24970), (2270, 17534), (2497, 15940), (3188, 12485), (3985, 9988), (4540, 8767), (4994, 7970)]