148889680

素因数分解:

$2^4\times 5^1\times {\mathrm{1861121}}^1$

素因数の和:1861134

約数の個数: 20

約数和(自身を含む): 346168692

約数和(自身を除く): 197279012

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1861121, 3722242, 7444484, 9305605, 14888968, 18611210, 29777936, 37222420, 74444840, 148889680]

約数ペア:

[(1, 148889680), (2, 74444840), (4, 37222420), (5, 29777936), (8, 18611210), (10, 14888968), (16, 9305605), (20, 7444484), (40, 3722242), (80, 1861121)]