128425000

素因数分解:

$2^3\times 5^5\times {\mathrm{11}}^1\times {\mathrm{467}}^1$

素因数の和:509

約数の個数: 96

約数和(自身を含む): 329041440

約数和(自身を除く): 200616440

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 25, 40, 44, 50, 55, 88, 100, 110, 125, 200, 220, 250, 275, 440, 467, 500, 550, 625, 934, 1000, 1100, 1250, 1375, 1868, 2200, 2335, 2500, 2750, 3125, 3736, 4670, 5000, 5137, 5500, 6250, 6875, 9340, 10274, 11000, 11675, 12500, 13750, 18680, 20548, 23350, 25000, 25685, 27500, 34375, 41096, 46700, 51370, 55000, 58375, 68750, 93400, 102740, 116750, 128425, 137500, 205480, 233500, 256850, 275000, 291875, 467000, 513700, 583750, 642125, 1027400, 1167500, 1284250, 1459375, 2335000, 2568500, 2918750, 3210625, 5137000, 5837500, 6421250, 11675000, 12842500, 16053125, 25685000, 32106250, 64212500, 128425000]

約数ペア:

[(1, 128425000), (2, 64212500), (4, 32106250), (5, 25685000), (8, 16053125), (10, 12842500), (11, 11675000), (20, 6421250), (22, 5837500), (25, 5137000), (40, 3210625), (44, 2918750), (50, 2568500), (55, 2335000), (88, 1459375), (100, 1284250), (110, 1167500), (125, 1027400), (200, 642125), (220, 583750), (250, 513700), (275, 467000), (440, 291875), (467, 275000), (500, 256850), (550, 233500), (625, 205480), (934, 137500), (1000, 128425), (1100, 116750), (1250, 102740), (1375, 93400), (1868, 68750), (2200, 58375), (2335, 55000), (2500, 51370), (2750, 46700), (3125, 41096), (3736, 34375), (4670, 27500), (5000, 25685), (5137, 25000), (5500, 23350), (6250, 20548), (6875, 18680), (9340, 13750), (10274, 12500), (11000, 11675)]