2005661320

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{37447}}^1$

素因数の和:37574

約数の個数: 64

約数和(自身を含む): 4907185920

約数和(自身を除く): 2901524600

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 103, 104, 130, 206, 260, 412, 515, 520, 824, 1030, 1339, 2060, 2678, 4120, 5356, 6695, 10712, 13390, 26780, 37447, 53560, 74894, 149788, 187235, 299576, 374470, 486811, 748940, 973622, 1497880, 1947244, 2434055, 3857041, 3894488, 4868110, 7714082, 9736220, 15428164, 19285205, 19472440, 30856328, 38570410, 50141533, 77140820, 100283066, 154281640, 200566132, 250707665, 401132264, 501415330, 1002830660, 2005661320]

約数ペア:

[(1, 2005661320), (2, 1002830660), (4, 501415330), (5, 401132264), (8, 250707665), (10, 200566132), (13, 154281640), (20, 100283066), (26, 77140820), (40, 50141533), (52, 38570410), (65, 30856328), (103, 19472440), (104, 19285205), (130, 15428164), (206, 9736220), (260, 7714082), (412, 4868110), (515, 3894488), (520, 3857041), (824, 2434055), (1030, 1947244), (1339, 1497880), (2060, 973622), (2678, 748940), (4120, 486811), (5356, 374470), (6695, 299576), (10712, 187235), (13390, 149788), (26780, 74894), (37447, 53560)]