90294440

素因数分解:

$2^3\times 5^1\times {\mathrm{2257361}}^1$

素因数の和:2257372

約数の個数: 16

約数和(自身を含む): 203162580

約数和(自身を除く): 112868140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2257361, 4514722, 9029444, 11286805, 18058888, 22573610, 45147220, 90294440]

約数ペア:

[(1, 90294440), (2, 45147220), (4, 22573610), (5, 18058888), (8, 11286805), (10, 9029444), (20, 4514722), (40, 2257361)]