28478080

素因数分解:

$2^7\times 5^1\times {\mathrm{44497}}^1$

素因数の和:44516

約数の個数: 32

約数和(自身を含む): 68081940

約数和(自身を除く): 39603860

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 44497, 88994, 177988, 222485, 355976, 444970, 711952, 889940, 1423904, 1779880, 2847808, 3559760, 5695616, 7119520, 14239040, 28478080]

約数ペア:

[(1, 28478080), (2, 14239040), (4, 7119520), (5, 5695616), (8, 3559760), (10, 2847808), (16, 1779880), (20, 1423904), (32, 889940), (40, 711952), (64, 444970), (80, 355976), (128, 222485), (160, 177988), (320, 88994), (640, 44497)]