77984000

素因数分解:

$2^8\times 5^3\times {\mathrm{2437}}^1$

素因数の和:2468

約数の個数: 72

約数和(自身を含む): 194347608

約数和(自身を除く): 116363608

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 125, 128, 160, 200, 250, 256, 320, 400, 500, 640, 800, 1000, 1280, 1600, 2000, 2437, 3200, 4000, 4874, 6400, 8000, 9748, 12185, 16000, 19496, 24370, 32000, 38992, 48740, 60925, 77984, 97480, 121850, 155968, 194960, 243700, 304625, 311936, 389920, 487400, 609250, 623872, 779840, 974800, 1218500, 1559680, 1949600, 2437000, 3119360, 3899200, 4874000, 7798400, 9748000, 15596800, 19496000, 38992000, 77984000]

約数ペア:

[(1, 77984000), (2, 38992000), (4, 19496000), (5, 15596800), (8, 9748000), (10, 7798400), (16, 4874000), (20, 3899200), (25, 3119360), (32, 2437000), (40, 1949600), (50, 1559680), (64, 1218500), (80, 974800), (100, 779840), (125, 623872), (128, 609250), (160, 487400), (200, 389920), (250, 311936), (256, 304625), (320, 243700), (400, 194960), (500, 155968), (640, 121850), (800, 97480), (1000, 77984), (1280, 60925), (1600, 48740), (2000, 38992), (2437, 32000), (3200, 24370), (4000, 19496), (4874, 16000), (6400, 12185), (8000, 9748)]