2680210

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{389}}^1$

素因数の和:462

約数の個数: 32

約数和(自身を含む): 5307120

約数和(自身を除く): 2626910

約数列:

[1, 2, 5, 10, 13, 26, 53, 65, 106, 130, 265, 389, 530, 689, 778, 1378, 1945, 3445, 3890, 5057, 6890, 10114, 20617, 25285, 41234, 50570, 103085, 206170, 268021, 536042, 1340105, 2680210]

約数ペア:

[(1, 2680210), (2, 1340105), (5, 536042), (10, 268021), (13, 206170), (26, 103085), (53, 50570), (65, 41234), (106, 25285), (130, 20617), (265, 10114), (389, 6890), (530, 5057), (689, 3890), (778, 3445), (1378, 1945)]