18680000

素因数分解:

$2^6\times 5^4\times {\mathrm{467}}^1$

素因数の和:499

約数の個数: 70

約数和(自身を含む): 46419516

約数和(自身を除く): 27739516

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 125, 160, 200, 250, 320, 400, 467, 500, 625, 800, 934, 1000, 1250, 1600, 1868, 2000, 2335, 2500, 3736, 4000, 4670, 5000, 7472, 8000, 9340, 10000, 11675, 14944, 18680, 20000, 23350, 29888, 37360, 40000, 46700, 58375, 74720, 93400, 116750, 149440, 186800, 233500, 291875, 373600, 467000, 583750, 747200, 934000, 1167500, 1868000, 2335000, 3736000, 4670000, 9340000, 18680000]

約数ペア:

[(1, 18680000), (2, 9340000), (4, 4670000), (5, 3736000), (8, 2335000), (10, 1868000), (16, 1167500), (20, 934000), (25, 747200), (32, 583750), (40, 467000), (50, 373600), (64, 291875), (80, 233500), (100, 186800), (125, 149440), (160, 116750), (200, 93400), (250, 74720), (320, 58375), (400, 46700), (467, 40000), (500, 37360), (625, 29888), (800, 23350), (934, 20000), (1000, 18680), (1250, 14944), (1600, 11675), (1868, 10000), (2000, 9340), (2335, 8000), (2500, 7472), (3736, 5000), (4000, 4670)]