25276720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{45137}}^1$

素因数の和:45157

約数の個数: 40

約数和(自身を含む): 67165344

約数和(自身を除く): 41888624

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 45137, 90274, 180548, 225685, 315959, 361096, 451370, 631918, 722192, 902740, 1263836, 1579795, 1805480, 2527672, 3159590, 3610960, 5055344, 6319180, 12638360, 25276720]

約数ペア:

[(1, 25276720), (2, 12638360), (4, 6319180), (5, 5055344), (7, 3610960), (8, 3159590), (10, 2527672), (14, 1805480), (16, 1579795), (20, 1263836), (28, 902740), (35, 722192), (40, 631918), (56, 451370), (70, 361096), (80, 315959), (112, 225685), (140, 180548), (280, 90274), (560, 45137)]