128214400

素因数分解:

$2^7\times 5^2\times {\mathrm{103}}^1\times {\mathrm{389}}^1$

素因数の和:516

約数の個数: 96

約数和(自身を含む): 320626800

約数和(自身を除く): 192412400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 103, 128, 160, 200, 206, 320, 389, 400, 412, 515, 640, 778, 800, 824, 1030, 1556, 1600, 1648, 1945, 2060, 2575, 3112, 3200, 3296, 3890, 4120, 5150, 6224, 6592, 7780, 8240, 9725, 10300, 12448, 13184, 15560, 16480, 19450, 20600, 24896, 31120, 32960, 38900, 40067, 41200, 49792, 62240, 65920, 77800, 80134, 82400, 124480, 155600, 160268, 164800, 200335, 248960, 311200, 320536, 329600, 400670, 622400, 641072, 801340, 1001675, 1244800, 1282144, 1602680, 2003350, 2564288, 3205360, 4006700, 5128576, 6410720, 8013400, 12821440, 16026800, 25642880, 32053600, 64107200, 128214400]

約数ペア:

[(1, 128214400), (2, 64107200), (4, 32053600), (5, 25642880), (8, 16026800), (10, 12821440), (16, 8013400), (20, 6410720), (25, 5128576), (32, 4006700), (40, 3205360), (50, 2564288), (64, 2003350), (80, 1602680), (100, 1282144), (103, 1244800), (128, 1001675), (160, 801340), (200, 641072), (206, 622400), (320, 400670), (389, 329600), (400, 320536), (412, 311200), (515, 248960), (640, 200335), (778, 164800), (800, 160268), (824, 155600), (1030, 124480), (1556, 82400), (1600, 80134), (1648, 77800), (1945, 65920), (2060, 62240), (2575, 49792), (3112, 41200), (3200, 40067), (3296, 38900), (3890, 32960), (4120, 31120), (5150, 24896), (6224, 20600), (6592, 19450), (7780, 16480), (8240, 15560), (9725, 13184), (10300, 12448)]