1408720

素因数分解:

$2^4\times 5^1\times {\mathrm{17609}}^1$

素因数の和:17622

約数の個数: 20

約数和(自身を含む): 3275460

約数和(自身を除く): 1866740

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 17609, 35218, 70436, 88045, 140872, 176090, 281744, 352180, 704360, 1408720]

約数ペア:

[(1, 1408720), (2, 704360), (4, 352180), (5, 281744), (8, 176090), (10, 140872), (16, 88045), (20, 70436), (40, 35218), (80, 17609)]