8195000

素因数分解:

$2^3\times 5^4\times {\mathrm{11}}^1\times {\mathrm{149}}^1$

素因数の和:186

約数の個数: 80

約数和(自身を含む): 21087000

約数和(自身を除く): 12892000

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 25, 40, 44, 50, 55, 88, 100, 110, 125, 149, 200, 220, 250, 275, 298, 440, 500, 550, 596, 625, 745, 1000, 1100, 1192, 1250, 1375, 1490, 1639, 2200, 2500, 2750, 2980, 3278, 3725, 5000, 5500, 5960, 6556, 6875, 7450, 8195, 11000, 13112, 13750, 14900, 16390, 18625, 27500, 29800, 32780, 37250, 40975, 55000, 65560, 74500, 81950, 93125, 149000, 163900, 186250, 204875, 327800, 372500, 409750, 745000, 819500, 1024375, 1639000, 2048750, 4097500, 8195000]

約数ペア:

[(1, 8195000), (2, 4097500), (4, 2048750), (5, 1639000), (8, 1024375), (10, 819500), (11, 745000), (20, 409750), (22, 372500), (25, 327800), (40, 204875), (44, 186250), (50, 163900), (55, 149000), (88, 93125), (100, 81950), (110, 74500), (125, 65560), (149, 55000), (200, 40975), (220, 37250), (250, 32780), (275, 29800), (298, 27500), (440, 18625), (500, 16390), (550, 14900), (596, 13750), (625, 13112), (745, 11000), (1000, 8195), (1100, 7450), (1192, 6875), (1250, 6556), (1375, 5960), (1490, 5500), (1639, 5000), (2200, 3725), (2500, 3278), (2750, 2980)]