28363000

素因数分解:

$2^3\times 5^3\times {\mathrm{113}}^1\times {\mathrm{251}}^1$

素因数の和:385

約数の個数: 64

約数和(自身を含む): 67223520

約数和(自身を除く): 38860520

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 113, 125, 200, 226, 250, 251, 452, 500, 502, 565, 904, 1000, 1004, 1130, 1255, 2008, 2260, 2510, 2825, 4520, 5020, 5650, 6275, 10040, 11300, 12550, 14125, 22600, 25100, 28250, 28363, 31375, 50200, 56500, 56726, 62750, 113000, 113452, 125500, 141815, 226904, 251000, 283630, 567260, 709075, 1134520, 1418150, 2836300, 3545375, 5672600, 7090750, 14181500, 28363000]

約数ペア:

[(1, 28363000), (2, 14181500), (4, 7090750), (5, 5672600), (8, 3545375), (10, 2836300), (20, 1418150), (25, 1134520), (40, 709075), (50, 567260), (100, 283630), (113, 251000), (125, 226904), (200, 141815), (226, 125500), (250, 113452), (251, 113000), (452, 62750), (500, 56726), (502, 56500), (565, 50200), (904, 31375), (1000, 28363), (1004, 28250), (1130, 25100), (1255, 22600), (2008, 14125), (2260, 12550), (2510, 11300), (2825, 10040), (4520, 6275), (5020, 5650)]