881140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3389}}^1$

素因数の和:3411

約数の個数: 24

約数和(自身を含む): 1993320

約数和(自身を除く): 1112180

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 3389, 6778, 13556, 16945, 33890, 44057, 67780, 88114, 176228, 220285, 440570, 881140]

約数ペア:

[(1, 881140), (2, 440570), (4, 220285), (5, 176228), (10, 88114), (13, 67780), (20, 44057), (26, 33890), (52, 16945), (65, 13556), (130, 6778), (260, 3389)]