22251011380

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{337}}^1\times {\mathrm{253949}}^1$

素因数の和:254308

約数の個数: 48

約数和(自身を含む): 50471038800

約数和(自身を除く): 28220027420

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 337, 674, 1348, 1685, 3370, 4381, 6740, 8762, 17524, 21905, 43810, 87620, 253949, 507898, 1015796, 1269745, 2539490, 3301337, 5078980, 6602674, 13205348, 16506685, 33013370, 66026740, 85580813, 171161626, 342323252, 427904065, 855808130, 1112550569, 1711616260, 2225101138, 4450202276, 5562752845, 11125505690, 22251011380]

約数ペア:

[(1, 22251011380), (2, 11125505690), (4, 5562752845), (5, 4450202276), (10, 2225101138), (13, 1711616260), (20, 1112550569), (26, 855808130), (52, 427904065), (65, 342323252), (130, 171161626), (260, 85580813), (337, 66026740), (674, 33013370), (1348, 16506685), (1685, 13205348), (3370, 6602674), (4381, 5078980), (6740, 3301337), (8762, 2539490), (17524, 1269745), (21905, 1015796), (43810, 507898), (87620, 253949)]