32239280

素因数分解:

$2^4\times 5^1\times {\mathrm{402991}}^1$

素因数の和:403004

約数の個数: 20

約数和(自身を含む): 74956512

約数和(自身を除く): 42717232

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 402991, 805982, 1611964, 2014955, 3223928, 4029910, 6447856, 8059820, 16119640, 32239280]

約数ペア:

[(1, 32239280), (2, 16119640), (4, 8059820), (5, 6447856), (8, 4029910), (10, 3223928), (16, 2014955), (20, 1611964), (40, 805982), (80, 402991)]