2017119880

素因数分解:

$2^3\times 5^1\times {\mathrm{2647}}^1\times {\mathrm{19051}}^1$

素因数の和:21709

約数の個数: 32

約数和(自身を含む): 4540472640

約数和(自身を除く): 2523352760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2647, 5294, 10588, 13235, 19051, 21176, 26470, 38102, 52940, 76204, 95255, 105880, 152408, 190510, 381020, 762040, 50427997, 100855994, 201711988, 252139985, 403423976, 504279970, 1008559940, 2017119880]

約数ペア:

[(1, 2017119880), (2, 1008559940), (4, 504279970), (5, 403423976), (8, 252139985), (10, 201711988), (20, 100855994), (40, 50427997), (2647, 762040), (5294, 381020), (10588, 190510), (13235, 152408), (19051, 105880), (21176, 95255), (26470, 76204), (38102, 52940)]