85428800

素因数分解:

$2^6\times 5^2\times {\mathrm{107}}^1\times {\mathrm{499}}^1$

素因数の和:628

約数の個数: 84

約数和(自身を含む): 212598000

約数和(自身を除く): 127169200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 107, 160, 200, 214, 320, 400, 428, 499, 535, 800, 856, 998, 1070, 1600, 1712, 1996, 2140, 2495, 2675, 3424, 3992, 4280, 4990, 5350, 6848, 7984, 8560, 9980, 10700, 12475, 15968, 17120, 19960, 21400, 24950, 31936, 34240, 39920, 42800, 49900, 53393, 79840, 85600, 99800, 106786, 159680, 171200, 199600, 213572, 266965, 399200, 427144, 533930, 798400, 854288, 1067860, 1334825, 1708576, 2135720, 2669650, 3417152, 4271440, 5339300, 8542880, 10678600, 17085760, 21357200, 42714400, 85428800]

約数ペア:

[(1, 85428800), (2, 42714400), (4, 21357200), (5, 17085760), (8, 10678600), (10, 8542880), (16, 5339300), (20, 4271440), (25, 3417152), (32, 2669650), (40, 2135720), (50, 1708576), (64, 1334825), (80, 1067860), (100, 854288), (107, 798400), (160, 533930), (200, 427144), (214, 399200), (320, 266965), (400, 213572), (428, 199600), (499, 171200), (535, 159680), (800, 106786), (856, 99800), (998, 85600), (1070, 79840), (1600, 53393), (1712, 49900), (1996, 42800), (2140, 39920), (2495, 34240), (2675, 31936), (3424, 24950), (3992, 21400), (4280, 19960), (4990, 17120), (5350, 15968), (6848, 12475), (7984, 10700), (8560, 9980)]