1340800

素因数分解:

$2^7\times 5^2\times {\mathrm{419}}^1$

素因数の和:443

約数の個数: 48

約数和(自身を含む): 3320100

約数和(自身を除く): 1979300

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 200, 320, 400, 419, 640, 800, 838, 1600, 1676, 2095, 3200, 3352, 4190, 6704, 8380, 10475, 13408, 16760, 20950, 26816, 33520, 41900, 53632, 67040, 83800, 134080, 167600, 268160, 335200, 670400, 1340800]

約数ペア:

[(1, 1340800), (2, 670400), (4, 335200), (5, 268160), (8, 167600), (10, 134080), (16, 83800), (20, 67040), (25, 53632), (32, 41900), (40, 33520), (50, 26816), (64, 20950), (80, 16760), (100, 13408), (128, 10475), (160, 8380), (200, 6704), (320, 4190), (400, 3352), (419, 3200), (640, 2095), (800, 1676), (838, 1600)]