2128520

素因数分解:

$2^3\times 5^1\times {\mathrm{127}}^1\times {\mathrm{419}}^1$

素因数の和:557

約数の個数: 32

約数和(自身を含む): 4838400

約数和(自身を除く): 2709880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 127, 254, 419, 508, 635, 838, 1016, 1270, 1676, 2095, 2540, 3352, 4190, 5080, 8380, 16760, 53213, 106426, 212852, 266065, 425704, 532130, 1064260, 2128520]

約数ペア:

[(1, 2128520), (2, 1064260), (4, 532130), (5, 425704), (8, 266065), (10, 212852), (20, 106426), (40, 53213), (127, 16760), (254, 8380), (419, 5080), (508, 4190), (635, 3352), (838, 2540), (1016, 2095), (1270, 1676)]