3961040

素因数分解:

$2^4\times 5^1\times {\mathrm{67}}^1\times {\mathrm{739}}^1$

素因数の和:819

約数の個数: 40

約数和(自身を含む): 9359520

約数和(自身を除く): 5398480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 67, 80, 134, 268, 335, 536, 670, 739, 1072, 1340, 1478, 2680, 2956, 3695, 5360, 5912, 7390, 11824, 14780, 29560, 49513, 59120, 99026, 198052, 247565, 396104, 495130, 792208, 990260, 1980520, 3961040]

約数ペア:

[(1, 3961040), (2, 1980520), (4, 990260), (5, 792208), (8, 495130), (10, 396104), (16, 247565), (20, 198052), (40, 99026), (67, 59120), (80, 49513), (134, 29560), (268, 14780), (335, 11824), (536, 7390), (670, 5912), (739, 5360), (1072, 3695), (1340, 2956), (1478, 2680)]