215524840

素因数分解:

$2^3\times 5^1\times {\mathrm{5388121}}^1$

素因数の和:5388132

約数の個数: 16

約数和(自身を含む): 484930980

約数和(自身を除く): 269406140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5388121, 10776242, 21552484, 26940605, 43104968, 53881210, 107762420, 215524840]

約数ペア:

[(1, 215524840), (2, 107762420), (4, 53881210), (5, 43104968), (8, 26940605), (10, 21552484), (20, 10776242), (40, 5388121)]