1901479280

素因数分解:

$2^4\times 5^1\times {\mathrm{23768491}}^1$

素因数の和:23768504

約数の個数: 20

約数和(自身を含む): 4420939512

約数和(自身を除く): 2519460232

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 23768491, 47536982, 95073964, 118842455, 190147928, 237684910, 380295856, 475369820, 950739640, 1901479280]

約数ペア:

[(1, 1901479280), (2, 950739640), (4, 475369820), (5, 380295856), (8, 237684910), (10, 190147928), (16, 118842455), (20, 95073964), (40, 47536982), (80, 23768491)]