2801980

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{4831}}^1$

素因数の和:4869

約数の個数: 24

約数和(自身を含む): 6088320

約数和(自身を除く): 3286340

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 4831, 9662, 19324, 24155, 48310, 96620, 140099, 280198, 560396, 700495, 1400990, 2801980]

約数ペア:

[(1, 2801980), (2, 1400990), (4, 700495), (5, 560396), (10, 280198), (20, 140099), (29, 96620), (58, 48310), (116, 24155), (145, 19324), (290, 9662), (580, 4831)]