87970480

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{251}}^1\times {\mathrm{337}}^1$

素因数の和:614

約数の個数: 80

約数和(自身を含む): 221798304

約数和(自身を除く): 133827824

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 251, 260, 337, 502, 520, 674, 1004, 1040, 1255, 1348, 1685, 2008, 2510, 2696, 3263, 3370, 4016, 4381, 5020, 5392, 6526, 6740, 8762, 10040, 13052, 13480, 16315, 17524, 20080, 21905, 26104, 26960, 32630, 35048, 43810, 52208, 65260, 70096, 84587, 87620, 130520, 169174, 175240, 261040, 338348, 350480, 422935, 676696, 845870, 1099631, 1353392, 1691740, 2199262, 3383480, 4398524, 5498155, 6766960, 8797048, 10996310, 17594096, 21992620, 43985240, 87970480]

約数ペア:

[(1, 87970480), (2, 43985240), (4, 21992620), (5, 17594096), (8, 10996310), (10, 8797048), (13, 6766960), (16, 5498155), (20, 4398524), (26, 3383480), (40, 2199262), (52, 1691740), (65, 1353392), (80, 1099631), (104, 845870), (130, 676696), (208, 422935), (251, 350480), (260, 338348), (337, 261040), (502, 175240), (520, 169174), (674, 130520), (1004, 87620), (1040, 84587), (1255, 70096), (1348, 65260), (1685, 52208), (2008, 43810), (2510, 35048), (2696, 32630), (3263, 26960), (3370, 26104), (4016, 21905), (4381, 20080), (5020, 17524), (5392, 16315), (6526, 13480), (6740, 13052), (8762, 10040)]