2674640

素因数分解:

$2^4\times 5^1\times {\mathrm{67}}^1\times {\mathrm{499}}^1$

素因数の和:579

約数の個数: 40

約数和(自身を含む): 6324000

約数和(自身を除く): 3649360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 67, 80, 134, 268, 335, 499, 536, 670, 998, 1072, 1340, 1996, 2495, 2680, 3992, 4990, 5360, 7984, 9980, 19960, 33433, 39920, 66866, 133732, 167165, 267464, 334330, 534928, 668660, 1337320, 2674640]

約数ペア:

[(1, 2674640), (2, 1337320), (4, 668660), (5, 534928), (8, 334330), (10, 267464), (16, 167165), (20, 133732), (40, 66866), (67, 39920), (80, 33433), (134, 19960), (268, 9980), (335, 7984), (499, 5360), (536, 4990), (670, 3992), (998, 2680), (1072, 2495), (1340, 1996)]