57728680

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{20327}}^1$

素因数の和:20409

約数の個数: 32

約数和(自身を含む): 131725440

約数和(自身を除く): 73996760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 20327, 40654, 81308, 101635, 162616, 203270, 406540, 813080, 1443217, 2886434, 5772868, 7216085, 11545736, 14432170, 28864340, 57728680]

約数ペア:

[(1, 57728680), (2, 28864340), (4, 14432170), (5, 11545736), (8, 7216085), (10, 5772868), (20, 2886434), (40, 1443217), (71, 813080), (142, 406540), (284, 203270), (355, 162616), (568, 101635), (710, 81308), (1420, 40654), (2840, 20327)]