788780480

素因数分解:

$2^6\times 5^1\times {\mathrm{2464939}}^1$

素因数の和:2464956

約数の個数: 28

約数和(自身を含む): 1878284280

約数和(自身を除く): 1089503800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 2464939, 4929878, 9859756, 12324695, 19719512, 24649390, 39439024, 49298780, 78878048, 98597560, 157756096, 197195120, 394390240, 788780480]

約数ペア:

[(1, 788780480), (2, 394390240), (4, 197195120), (5, 157756096), (8, 98597560), (10, 78878048), (16, 49298780), (20, 39439024), (32, 24649390), (40, 19719512), (64, 12324695), (80, 9859756), (160, 4929878), (320, 2464939)]