2800340

素因数分解:

$2^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{859}}^1$

素因数の和:1031

約数の個数: 24

約数和(自身を含む): 5923680

約数和(自身を除く): 3123340

約数列:

[1, 2, 4, 5, 10, 20, 163, 326, 652, 815, 859, 1630, 1718, 3260, 3436, 4295, 8590, 17180, 140017, 280034, 560068, 700085, 1400170, 2800340]

約数ペア:

[(1, 2800340), (2, 1400170), (4, 700085), (5, 560068), (10, 280034), (20, 140017), (163, 17180), (326, 8590), (652, 4295), (815, 3436), (859, 3260), (1630, 1718)]