48716720

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{337}}^1$

素因数の和:502

約数の個数: 80

約数和(自身を含む): 123221280

約数和(自身を除く): 74504560

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 139, 208, 260, 278, 337, 520, 556, 674, 695, 1040, 1112, 1348, 1390, 1685, 1807, 2224, 2696, 2780, 3370, 3614, 4381, 5392, 5560, 6740, 7228, 8762, 9035, 11120, 13480, 14456, 17524, 18070, 21905, 26960, 28912, 35048, 36140, 43810, 46843, 70096, 72280, 87620, 93686, 144560, 175240, 187372, 234215, 350480, 374744, 468430, 608959, 749488, 936860, 1217918, 1873720, 2435836, 3044795, 3747440, 4871672, 6089590, 9743344, 12179180, 24358360, 48716720]

約数ペア:

[(1, 48716720), (2, 24358360), (4, 12179180), (5, 9743344), (8, 6089590), (10, 4871672), (13, 3747440), (16, 3044795), (20, 2435836), (26, 1873720), (40, 1217918), (52, 936860), (65, 749488), (80, 608959), (104, 468430), (130, 374744), (139, 350480), (208, 234215), (260, 187372), (278, 175240), (337, 144560), (520, 93686), (556, 87620), (674, 72280), (695, 70096), (1040, 46843), (1112, 43810), (1348, 36140), (1390, 35048), (1685, 28912), (1807, 26960), (2224, 21905), (2696, 18070), (2780, 17524), (3370, 14456), (3614, 13480), (4381, 11120), (5392, 9035), (5560, 8762), (6740, 7228)]