22425101840

素因数分解:

$2^4\times 5^1\times {\mathrm{1999}}^1\times {\mathrm{140227}}^1$

素因数の和:142239

約数の個数: 40

約数和(自身を含む): 52164816000

約数和(自身を除く): 29739714160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1999, 3998, 7996, 9995, 15992, 19990, 31984, 39980, 79960, 140227, 159920, 280454, 560908, 701135, 1121816, 1402270, 2243632, 2804540, 5609080, 11218160, 280313773, 560627546, 1121255092, 1401568865, 2242510184, 2803137730, 4485020368, 5606275460, 11212550920, 22425101840]

約数ペア:

[(1, 22425101840), (2, 11212550920), (4, 5606275460), (5, 4485020368), (8, 2803137730), (10, 2242510184), (16, 1401568865), (20, 1121255092), (40, 560627546), (80, 280313773), (1999, 11218160), (3998, 5609080), (7996, 2804540), (9995, 2243632), (15992, 1402270), (19990, 1121816), (31984, 701135), (39980, 560908), (79960, 280454), (140227, 159920)]