449451760

素因数分解:

$2^4\times 5^1\times {\mathrm{5618147}}^1$

素因数の和:5618160

約数の個数: 20

約数和(自身を含む): 1044975528

約数和(自身を除く): 595523768

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 5618147, 11236294, 22472588, 28090735, 44945176, 56181470, 89890352, 112362940, 224725880, 449451760]

約数ペア:

[(1, 449451760), (2, 224725880), (4, 112362940), (5, 89890352), (8, 56181470), (10, 44945176), (16, 28090735), (20, 22472588), (40, 11236294), (80, 5618147)]