1337320

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{499}}^1$

素因数の和:577

約数の個数: 32

約数和(自身を含む): 3060000

約数和(自身を除く): 1722680

約数列:

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

約数ペア:

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