89402420

素因数分解:

$2^2\times 5^1\times {\mathrm{4470121}}^1$

素因数の和:4470130

約数の個数: 12

約数和(自身を含む): 187745124

約数和(自身を除く): 98342704

約数列:

[1, 2, 4, 5, 10, 20, 4470121, 8940242, 17880484, 22350605, 44701210, 89402420]

約数ペア:

[(1, 89402420), (2, 44701210), (4, 22350605), (5, 17880484), (10, 8940242), (20, 4470121)]