2029585540

素因数分解:

$2^2\times 5^1\times {\mathrm{257}}^1\times {\mathrm{394861}}^1$

素因数の和:395127

約数の個数: 24

約数和(自身を含む): 4278724632

約数和(自身を除く): 2249139092

約数列:

[1, 2, 4, 5, 10, 20, 257, 514, 1028, 1285, 2570, 5140, 394861, 789722, 1579444, 1974305, 3948610, 7897220, 101479277, 202958554, 405917108, 507396385, 1014792770, 2029585540]

約数ペア:

[(1, 2029585540), (2, 1014792770), (4, 507396385), (5, 405917108), (10, 202958554), (20, 101479277), (257, 7897220), (514, 3948610), (1028, 1974305), (1285, 1579444), (2570, 789722), (5140, 394861)]