88581520

素因数分解:

$2^4\times 5^1\times {\mathrm{1107269}}^1$

素因数の和:1107282

約数の個数: 20

約数和(自身を含む): 205952220

約数和(自身を除く): 117370700

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1107269, 2214538, 4429076, 5536345, 8858152, 11072690, 17716304, 22145380, 44290760, 88581520]

約数ペア:

[(1, 88581520), (2, 44290760), (4, 22145380), (5, 17716304), (8, 11072690), (10, 8858152), (16, 5536345), (20, 4429076), (40, 2214538), (80, 1107269)]