18080050

素因数分解:

$2^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{337}}^1$

素因数の和:415

約数の個数: 48

約数和(自身を含む): 35834760

約数和(自身を除く): 17754710

約数列:

[1, 2, 5, 10, 25, 29, 37, 50, 58, 74, 145, 185, 290, 337, 370, 674, 725, 925, 1073, 1450, 1685, 1850, 2146, 3370, 5365, 8425, 9773, 10730, 12469, 16850, 19546, 24938, 26825, 48865, 53650, 62345, 97730, 124690, 244325, 311725, 361601, 488650, 623450, 723202, 1808005, 3616010, 9040025, 18080050]

約数ペア:

[(1, 18080050), (2, 9040025), (5, 3616010), (10, 1808005), (25, 723202), (29, 623450), (37, 488650), (50, 361601), (58, 311725), (74, 244325), (145, 124690), (185, 97730), (290, 62345), (337, 53650), (370, 48865), (674, 26825), (725, 24938), (925, 19546), (1073, 16850), (1450, 12469), (1685, 10730), (1850, 9773), (2146, 8425), (3370, 5365)]