2078125720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{127649}}^1$

素因数の和:127708

約数の個数: 64

約数和(自身を含む): 5238756000

約数和(自身を除く): 3160630280

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 37, 40, 44, 55, 74, 88, 110, 148, 185, 220, 296, 370, 407, 440, 740, 814, 1480, 1628, 2035, 3256, 4070, 8140, 16280, 127649, 255298, 510596, 638245, 1021192, 1276490, 1404139, 2552980, 2808278, 4723013, 5105960, 5616556, 7020695, 9446026, 11233112, 14041390, 18892052, 23615065, 28082780, 37784104, 47230130, 51953143, 56165560, 94460260, 103906286, 188920520, 207812572, 259765715, 415625144, 519531430, 1039062860, 2078125720]

約数ペア:

[(1, 2078125720), (2, 1039062860), (4, 519531430), (5, 415625144), (8, 259765715), (10, 207812572), (11, 188920520), (20, 103906286), (22, 94460260), (37, 56165560), (40, 51953143), (44, 47230130), (55, 37784104), (74, 28082780), (88, 23615065), (110, 18892052), (148, 14041390), (185, 11233112), (220, 9446026), (296, 7020695), (370, 5616556), (407, 5105960), (440, 4723013), (740, 2808278), (814, 2552980), (1480, 1404139), (1628, 1276490), (2035, 1021192), (3256, 638245), (4070, 510596), (8140, 255298), (16280, 127649)]