2605100

素因数分解:

$2^2\times 5^2\times {\mathrm{109}}^1\times {\mathrm{239}}^1$

素因数の和:362

約数の個数: 36

約数和(自身を含む): 5728800

約数和(自身を除く): 3123700

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 109, 218, 239, 436, 478, 545, 956, 1090, 1195, 2180, 2390, 2725, 4780, 5450, 5975, 10900, 11950, 23900, 26051, 52102, 104204, 130255, 260510, 521020, 651275, 1302550, 2605100]

約数ペア:

[(1, 2605100), (2, 1302550), (4, 651275), (5, 521020), (10, 260510), (20, 130255), (25, 104204), (50, 52102), (100, 26051), (109, 23900), (218, 11950), (239, 10900), (436, 5975), (478, 5450), (545, 4780), (956, 2725), (1090, 2390), (1195, 2180)]