61421620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{337}}^1\times {\mathrm{701}}^1$

素因数の和:1060

約数の個数: 48

約数和(自身を含む): 139518288

約数和(自身を除く): 78096668

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 337, 674, 701, 1348, 1402, 1685, 2804, 3370, 3505, 4381, 6740, 7010, 8762, 9113, 14020, 17524, 18226, 21905, 36452, 43810, 45565, 87620, 91130, 182260, 236237, 472474, 944948, 1181185, 2362370, 3071081, 4724740, 6142162, 12284324, 15355405, 30710810, 61421620]

約数ペア:

[(1, 61421620), (2, 30710810), (4, 15355405), (5, 12284324), (10, 6142162), (13, 4724740), (20, 3071081), (26, 2362370), (52, 1181185), (65, 944948), (130, 472474), (260, 236237), (337, 182260), (674, 91130), (701, 87620), (1348, 45565), (1402, 43810), (1685, 36452), (2804, 21905), (3370, 18226), (3505, 17524), (4381, 14020), (6740, 9113), (7010, 8762)]