42440080

素因数分解:

$2^4\times 5^1\times {\mathrm{530501}}^1$

素因数の和:530514

約数の個数: 20

約数和(自身を含む): 98673372

約数和(自身を除く): 56233292

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 530501, 1061002, 2122004, 2652505, 4244008, 5305010, 8488016, 10610020, 21220040, 42440080]

約数ペア:

[(1, 42440080), (2, 21220040), (4, 10610020), (5, 8488016), (8, 5305010), (10, 4244008), (16, 2652505), (20, 2122004), (40, 1061002), (80, 530501)]