266618360

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{61151}}^1$

素因数の和:61271

約数の個数: 32

約数和(自身を含む): 605404800

約数和(自身を除く): 338786440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 872, 1090, 2180, 4360, 61151, 122302, 244604, 305755, 489208, 611510, 1223020, 2446040, 6665459, 13330918, 26661836, 33327295, 53323672, 66654590, 133309180, 266618360]

約数ペア:

[(1, 266618360), (2, 133309180), (4, 66654590), (5, 53323672), (8, 33327295), (10, 26661836), (20, 13330918), (40, 6665459), (109, 2446040), (218, 1223020), (436, 611510), (545, 489208), (872, 305755), (1090, 244604), (2180, 122302), (4360, 61151)]