28958080

素因数分解:

$2^7\times 5^1\times {\mathrm{45247}}^1$

素因数の和:45266

約数の個数: 32

約数和(自身を含む): 69229440

約数和(自身を除く): 40271360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 45247, 90494, 180988, 226235, 361976, 452470, 723952, 904940, 1447904, 1809880, 2895808, 3619760, 5791616, 7239520, 14479040, 28958080]

約数ペア:

[(1, 28958080), (2, 14479040), (4, 7239520), (5, 5791616), (8, 3619760), (10, 2895808), (16, 1809880), (20, 1447904), (32, 904940), (40, 723952), (64, 452470), (80, 361976), (128, 226235), (160, 180988), (320, 90494), (640, 45247)]