26784920

素因数分解:

$2^3\times 5^1\times {\mathrm{281}}^1\times {\mathrm{2383}}^1$

素因数の和:2675

約数の個数: 32

約数和(自身を含む): 60505920

約数和(自身を除く): 33721000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 281, 562, 1124, 1405, 2248, 2383, 2810, 4766, 5620, 9532, 11240, 11915, 19064, 23830, 47660, 95320, 669623, 1339246, 2678492, 3348115, 5356984, 6696230, 13392460, 26784920]

約数ペア:

[(1, 26784920), (2, 13392460), (4, 6696230), (5, 5356984), (8, 3348115), (10, 2678492), (20, 1339246), (40, 669623), (281, 95320), (562, 47660), (1124, 23830), (1405, 19064), (2248, 11915), (2383, 11240), (2810, 9532), (4766, 5620)]