12741320

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{8609}}^1$

素因数の和:8657

約数の個数: 32

約数和(自身を含む): 29446200

約数和(自身を除く): 16704880

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 296, 370, 740, 1480, 8609, 17218, 34436, 43045, 68872, 86090, 172180, 318533, 344360, 637066, 1274132, 1592665, 2548264, 3185330, 6370660, 12741320]

約数ペア:

[(1, 12741320), (2, 6370660), (4, 3185330), (5, 2548264), (8, 1592665), (10, 1274132), (20, 637066), (37, 344360), (40, 318533), (74, 172180), (148, 86090), (185, 68872), (296, 43045), (370, 34436), (740, 17218), (1480, 8609)]