2678650

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^2\times {\mathrm{317}}^1$

素因数の和:355

約数の個数: 36

約数和(自身を含む): 5412042

約数和(自身を除く): 2733392

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 169, 317, 325, 338, 634, 650, 845, 1585, 1690, 3170, 4121, 4225, 7925, 8242, 8450, 15850, 20605, 41210, 53573, 103025, 107146, 206050, 267865, 535730, 1339325, 2678650]

約数ペア:

[(1, 2678650), (2, 1339325), (5, 535730), (10, 267865), (13, 206050), (25, 107146), (26, 103025), (50, 53573), (65, 41210), (130, 20605), (169, 15850), (317, 8450), (325, 8242), (338, 7925), (634, 4225), (650, 4121), (845, 3170), (1585, 1690)]