26857000

素因数分解:

$2^3\times 5^3\times {\mathrm{107}}^1\times {\mathrm{251}}^1$

素因数の和:379

約数の個数: 64

約数和(自身を含む): 63685440

約数和(自身を除く): 36828440

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 107, 125, 200, 214, 250, 251, 428, 500, 502, 535, 856, 1000, 1004, 1070, 1255, 2008, 2140, 2510, 2675, 4280, 5020, 5350, 6275, 10040, 10700, 12550, 13375, 21400, 25100, 26750, 26857, 31375, 50200, 53500, 53714, 62750, 107000, 107428, 125500, 134285, 214856, 251000, 268570, 537140, 671425, 1074280, 1342850, 2685700, 3357125, 5371400, 6714250, 13428500, 26857000]

約数ペア:

[(1, 26857000), (2, 13428500), (4, 6714250), (5, 5371400), (8, 3357125), (10, 2685700), (20, 1342850), (25, 1074280), (40, 671425), (50, 537140), (100, 268570), (107, 251000), (125, 214856), (200, 134285), (214, 125500), (250, 107428), (251, 107000), (428, 62750), (500, 53714), (502, 53500), (535, 50200), (856, 31375), (1000, 26857), (1004, 26750), (1070, 25100), (1255, 21400), (2008, 13375), (2140, 12550), (2510, 10700), (2675, 10040), (4280, 6275), (5020, 5350)]