26680220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{190573}}^1$

素因数の和:190589

約数の個数: 24

約数和(自身を含む): 64032864

約数和(自身を除く): 37352644

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 190573, 381146, 762292, 952865, 1334011, 1905730, 2668022, 3811460, 5336044, 6670055, 13340110, 26680220]

約数ペア:

[(1, 26680220), (2, 13340110), (4, 6670055), (5, 5336044), (7, 3811460), (10, 2668022), (14, 1905730), (20, 1334011), (28, 952865), (35, 762292), (70, 381146), (140, 190573)]