90828800

素因数分解:

$2^{12}\times 5^2\times {\mathrm{887}}^1$

素因数の和:921

約数の個数: 78

約数和(自身を含む): 225481848

約数和(自身を除く): 134653048

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 200, 256, 320, 400, 512, 640, 800, 887, 1024, 1280, 1600, 1774, 2048, 2560, 3200, 3548, 4096, 4435, 5120, 6400, 7096, 8870, 10240, 12800, 14192, 17740, 20480, 22175, 25600, 28384, 35480, 44350, 51200, 56768, 70960, 88700, 102400, 113536, 141920, 177400, 227072, 283840, 354800, 454144, 567680, 709600, 908288, 1135360, 1419200, 1816576, 2270720, 2838400, 3633152, 4541440, 5676800, 9082880, 11353600, 18165760, 22707200, 45414400, 90828800]

約数ペア:

[(1, 90828800), (2, 45414400), (4, 22707200), (5, 18165760), (8, 11353600), (10, 9082880), (16, 5676800), (20, 4541440), (25, 3633152), (32, 2838400), (40, 2270720), (50, 1816576), (64, 1419200), (80, 1135360), (100, 908288), (128, 709600), (160, 567680), (200, 454144), (256, 354800), (320, 283840), (400, 227072), (512, 177400), (640, 141920), (800, 113536), (887, 102400), (1024, 88700), (1280, 70960), (1600, 56768), (1774, 51200), (2048, 44350), (2560, 35480), (3200, 28384), (3548, 25600), (4096, 22175), (4435, 20480), (5120, 17740), (6400, 14192), (7096, 12800), (8870, 10240)]