89966420

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{41269}}^1$

素因数の和:41387

約数の個数: 24

約数和(自身を含む): 190667400

約数和(自身を除く): 100700980

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 41269, 82538, 165076, 206345, 412690, 825380, 4498321, 8996642, 17993284, 22491605, 44983210, 89966420]

約数ペア:

[(1, 89966420), (2, 44983210), (4, 22491605), (5, 17993284), (10, 8996642), (20, 4498321), (109, 825380), (218, 412690), (436, 206345), (545, 165076), (1090, 82538), (2180, 41269)]