227440

素因数分解:

$2^4\times 5^1\times {\mathrm{2843}}^1$

素因数の和:2856

約数の個数: 20

約数和(自身を含む): 528984

約数和(自身を除く): 301544

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2843, 5686, 11372, 14215, 22744, 28430, 45488, 56860, 113720, 227440]

約数ペア:

[(1, 227440), (2, 113720), (4, 56860), (5, 45488), (8, 28430), (10, 22744), (16, 14215), (20, 11372), (40, 5686), (80, 2843)]