2897680

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{1249}}^1$

素因数の和:1291

約数の個数: 40

約数和(自身を含む): 6975000

約数和(自身を除く): 4077320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 116, 145, 232, 290, 464, 580, 1160, 1249, 2320, 2498, 4996, 6245, 9992, 12490, 19984, 24980, 36221, 49960, 72442, 99920, 144884, 181105, 289768, 362210, 579536, 724420, 1448840, 2897680]

約数ペア:

[(1, 2897680), (2, 1448840), (4, 724420), (5, 579536), (8, 362210), (10, 289768), (16, 181105), (20, 144884), (29, 99920), (40, 72442), (58, 49960), (80, 36221), (116, 24980), (145, 19984), (232, 12490), (290, 9992), (464, 6245), (580, 4996), (1160, 2498), (1249, 2320)]