7129040

素因数分解:

$2^4\times 5^1\times {\mathrm{89113}}^1$

素因数の和:89126

約数の個数: 20

約数和(自身を含む): 16575204

約数和(自身を除く): 9446164

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 89113, 178226, 356452, 445565, 712904, 891130, 1425808, 1782260, 3564520, 7129040]

約数ペア:

[(1, 7129040), (2, 3564520), (4, 1782260), (5, 1425808), (8, 891130), (10, 712904), (16, 445565), (20, 356452), (40, 178226), (80, 89113)]