12808500

素因数分解:

$2^2\times 3^1\times 5^3\times {\mathrm{8539}}^1$

素因数の和:8561

約数の個数: 48

約数和(自身を含む): 37302720

約数和(自身を除く): 24494220

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 125, 150, 250, 300, 375, 500, 750, 1500, 8539, 17078, 25617, 34156, 42695, 51234, 85390, 102468, 128085, 170780, 213475, 256170, 426950, 512340, 640425, 853900, 1067375, 1280850, 2134750, 2561700, 3202125, 4269500, 6404250, 12808500]

約数ペア:

[(1, 12808500), (2, 6404250), (3, 4269500), (4, 3202125), (5, 2561700), (6, 2134750), (10, 1280850), (12, 1067375), (15, 853900), (20, 640425), (25, 512340), (30, 426950), (50, 256170), (60, 213475), (75, 170780), (100, 128085), (125, 102468), (150, 85390), (250, 51234), (300, 42695), (375, 34156), (500, 25617), (750, 17078), (1500, 8539)]