64970720

素因数分解:

$2^5\times 5^1\times {\mathrm{406067}}^1$

素因数の和:406082

約数の個数: 24

約数和(自身を含む): 153493704

約数和(自身を除く): 88522984

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 406067, 812134, 1624268, 2030335, 3248536, 4060670, 6497072, 8121340, 12994144, 16242680, 32485360, 64970720]

約数ペア:

[(1, 64970720), (2, 32485360), (4, 16242680), (5, 12994144), (8, 8121340), (10, 6497072), (16, 4060670), (20, 3248536), (32, 2030335), (40, 1624268), (80, 812134), (160, 406067)]