2108231680

素因数分解:

$2^{12}\times 5^1\times {\mathrm{311}}^1\times {\mathrm{331}}^1$

素因数の和:671

約数の個数: 104

約数和(自身を含む): 5090739264

約数和(自身を除く): 2982507584

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 311, 320, 331, 512, 622, 640, 662, 1024, 1244, 1280, 1324, 1555, 1655, 2048, 2488, 2560, 2648, 3110, 3310, 4096, 4976, 5120, 5296, 6220, 6620, 9952, 10240, 10592, 12440, 13240, 19904, 20480, 21184, 24880, 26480, 39808, 42368, 49760, 52960, 79616, 84736, 99520, 102941, 105920, 159232, 169472, 199040, 205882, 211840, 318464, 338944, 398080, 411764, 423680, 514705, 636928, 677888, 796160, 823528, 847360, 1029410, 1273856, 1355776, 1592320, 1647056, 1694720, 2058820, 3184640, 3294112, 3389440, 4117640, 6369280, 6588224, 6778880, 8235280, 13176448, 16470560, 26352896, 32941120, 52705792, 65882240, 105411584, 131764480, 210823168, 263528960, 421646336, 527057920, 1054115840, 2108231680]

約数ペア:

[(1, 2108231680), (2, 1054115840), (4, 527057920), (5, 421646336), (8, 263528960), (10, 210823168), (16, 131764480), (20, 105411584), (32, 65882240), (40, 52705792), (64, 32941120), (80, 26352896), (128, 16470560), (160, 13176448), (256, 8235280), (311, 6778880), (320, 6588224), (331, 6369280), (512, 4117640), (622, 3389440), (640, 3294112), (662, 3184640), (1024, 2058820), (1244, 1694720), (1280, 1647056), (1324, 1592320), (1555, 1355776), (1655, 1273856), (2048, 1029410), (2488, 847360), (2560, 823528), (2648, 796160), (3110, 677888), (3310, 636928), (4096, 514705), (4976, 423680), (5120, 411764), (5296, 398080), (6220, 338944), (6620, 318464), (9952, 211840), (10240, 205882), (10592, 199040), (12440, 169472), (13240, 159232), (19904, 105920), (20480, 102941), (21184, 99520), (24880, 84736), (26480, 79616), (39808, 52960), (42368, 49760)]