42807920

素因数分解:

$2^4\times 5^1\times {\mathrm{535099}}^1$

素因数の和:535112

約数の個数: 20

約数和(自身を含む): 99528600

約数和(自身を除く): 56720680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 535099, 1070198, 2140396, 2675495, 4280792, 5350990, 8561584, 10701980, 21403960, 42807920]

約数ペア:

[(1, 42807920), (2, 21403960), (4, 10701980), (5, 8561584), (8, 5350990), (10, 4280792), (16, 2675495), (20, 2140396), (40, 1070198), (80, 535099)]