1423280

素因数分解:

$2^4\times 5^1\times {\mathrm{17791}}^1$

素因数の和:17804

約数の個数: 20

約数和(自身を含む): 3309312

約数和(自身を除く): 1886032

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 17791, 35582, 71164, 88955, 142328, 177910, 284656, 355820, 711640, 1423280]

約数ペア:

[(1, 1423280), (2, 711640), (4, 355820), (5, 284656), (8, 177910), (10, 142328), (16, 88955), (20, 71164), (40, 35582), (80, 17791)]