82004480

素因数分解:

$2^9\times 5^1\times {\mathrm{103}}^1\times {\mathrm{311}}^1$

素因数の和:437

約数の個数: 80

約数和(自身を含む): 199165824

約数和(自身を除く): 117161344

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 103, 128, 160, 206, 256, 311, 320, 412, 512, 515, 622, 640, 824, 1030, 1244, 1280, 1555, 1648, 2060, 2488, 2560, 3110, 3296, 4120, 4976, 6220, 6592, 8240, 9952, 12440, 13184, 16480, 19904, 24880, 26368, 32033, 32960, 39808, 49760, 52736, 64066, 65920, 79616, 99520, 128132, 131840, 159232, 160165, 199040, 256264, 263680, 320330, 398080, 512528, 640660, 796160, 1025056, 1281320, 2050112, 2562640, 4100224, 5125280, 8200448, 10250560, 16400896, 20501120, 41002240, 82004480]

約数ペア:

[(1, 82004480), (2, 41002240), (4, 20501120), (5, 16400896), (8, 10250560), (10, 8200448), (16, 5125280), (20, 4100224), (32, 2562640), (40, 2050112), (64, 1281320), (80, 1025056), (103, 796160), (128, 640660), (160, 512528), (206, 398080), (256, 320330), (311, 263680), (320, 256264), (412, 199040), (512, 160165), (515, 159232), (622, 131840), (640, 128132), (824, 99520), (1030, 79616), (1244, 65920), (1280, 64066), (1555, 52736), (1648, 49760), (2060, 39808), (2488, 32960), (2560, 32033), (3110, 26368), (3296, 24880), (4120, 19904), (4976, 16480), (6220, 13184), (6592, 12440), (8240, 9952)]