89902720

素因数分解:

$2^7\times 5^1\times {\mathrm{140473}}^1$

素因数の和:140492

約数の個数: 32

約数和(自身を含む): 214925220

約数和(自身を除く): 125022500

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 140473, 280946, 561892, 702365, 1123784, 1404730, 2247568, 2809460, 4495136, 5618920, 8990272, 11237840, 17980544, 22475680, 44951360, 89902720]

約数ペア:

[(1, 89902720), (2, 44951360), (4, 22475680), (5, 17980544), (8, 11237840), (10, 8990272), (16, 5618920), (20, 4495136), (32, 2809460), (40, 2247568), (64, 1404730), (80, 1123784), (128, 702365), (160, 561892), (320, 280946), (640, 140473)]