161088020

素因数分解:

$2^2\times 5^1\times {\mathrm{353}}^1\times {\mathrm{22817}}^1$

素因数の和:23179

約数の個数: 24

約数和(自身を含む): 339258024

約数和(自身を除く): 178170004

約数列:

[1, 2, 4, 5, 10, 20, 353, 706, 1412, 1765, 3530, 7060, 22817, 45634, 91268, 114085, 228170, 456340, 8054401, 16108802, 32217604, 40272005, 80544010, 161088020]

約数ペア:

[(1, 161088020), (2, 80544010), (4, 40272005), (5, 32217604), (10, 16108802), (20, 8054401), (353, 456340), (706, 228170), (1412, 114085), (1765, 91268), (3530, 45634), (7060, 22817)]