80556020

素因数分解:

$2^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{37643}}^1$

素因数の和:37759

約数の個数: 24

約数和(自身を含む): 170753184

約数和(自身を除く): 90197164

約数列:

[1, 2, 4, 5, 10, 20, 107, 214, 428, 535, 1070, 2140, 37643, 75286, 150572, 188215, 376430, 752860, 4027801, 8055602, 16111204, 20139005, 40278010, 80556020]

約数ペア:

[(1, 80556020), (2, 40278010), (4, 20139005), (5, 16111204), (10, 8055602), (20, 4027801), (107, 752860), (214, 376430), (428, 188215), (535, 150572), (1070, 75286), (2140, 37643)]