88906420

素因数分解:

$2^2\times 5^1\times {\mathrm{4445321}}^1$

素因数の和:4445330

約数の個数: 12

約数和(自身を含む): 186703524

約数和(自身を除く): 97797104

約数列:

[1, 2, 4, 5, 10, 20, 4445321, 8890642, 17781284, 22226605, 44453210, 88906420]

約数ペア:

[(1, 88906420), (2, 44453210), (4, 22226605), (5, 17781284), (10, 8890642), (20, 4445321)]