42319280

素因数分解:

$2^4\times 5^1\times {\mathrm{528991}}^1$

素因数の和:529004

約数の個数: 20

約数和(自身を含む): 98392512

約数和(自身を除く): 56073232

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 528991, 1057982, 2115964, 2644955, 4231928, 5289910, 8463856, 10579820, 21159640, 42319280]

約数ペア:

[(1, 42319280), (2, 21159640), (4, 10579820), (5, 8463856), (8, 5289910), (10, 4231928), (16, 2644955), (20, 2115964), (40, 1057982), (80, 528991)]