138847480

素因数分解:

$2^3\times 5^1\times {\mathrm{107}}^1\times {\mathrm{32441}}^1$

素因数の和:32559

約数の個数: 32

約数和(自身を含む): 315336240

約数和(自身を除く): 176488760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 107, 214, 428, 535, 856, 1070, 2140, 4280, 32441, 64882, 129764, 162205, 259528, 324410, 648820, 1297640, 3471187, 6942374, 13884748, 17355935, 27769496, 34711870, 69423740, 138847480]

約数ペア:

[(1, 138847480), (2, 69423740), (4, 34711870), (5, 27769496), (8, 17355935), (10, 13884748), (20, 6942374), (40, 3471187), (107, 1297640), (214, 648820), (428, 324410), (535, 259528), (856, 162205), (1070, 129764), (2140, 64882), (4280, 32441)]