28292000

素因数分解:

$2^5\times 5^3\times {\mathrm{11}}^1\times {\mathrm{643}}^1$

素因数の和:679

約数の個数: 96

約数和(自身を含む): 75950784

約数和(自身を除く): 47658784

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 32, 40, 44, 50, 55, 80, 88, 100, 110, 125, 160, 176, 200, 220, 250, 275, 352, 400, 440, 500, 550, 643, 800, 880, 1000, 1100, 1286, 1375, 1760, 2000, 2200, 2572, 2750, 3215, 4000, 4400, 5144, 5500, 6430, 7073, 8800, 10288, 11000, 12860, 14146, 16075, 20576, 22000, 25720, 28292, 32150, 35365, 44000, 51440, 56584, 64300, 70730, 80375, 102880, 113168, 128600, 141460, 160750, 176825, 226336, 257200, 282920, 321500, 353650, 514400, 565840, 643000, 707300, 884125, 1131680, 1286000, 1414600, 1768250, 2572000, 2829200, 3536500, 5658400, 7073000, 14146000, 28292000]

約数ペア:

[(1, 28292000), (2, 14146000), (4, 7073000), (5, 5658400), (8, 3536500), (10, 2829200), (11, 2572000), (16, 1768250), (20, 1414600), (22, 1286000), (25, 1131680), (32, 884125), (40, 707300), (44, 643000), (50, 565840), (55, 514400), (80, 353650), (88, 321500), (100, 282920), (110, 257200), (125, 226336), (160, 176825), (176, 160750), (200, 141460), (220, 128600), (250, 113168), (275, 102880), (352, 80375), (400, 70730), (440, 64300), (500, 56584), (550, 51440), (643, 44000), (800, 35365), (880, 32150), (1000, 28292), (1100, 25720), (1286, 22000), (1375, 20576), (1760, 16075), (2000, 14146), (2200, 12860), (2572, 11000), (2750, 10288), (3215, 8800), (4000, 7073), (4400, 6430), (5144, 5500)]