161347600

素因数分解:

$2^4\times 5^2\times {\mathrm{403369}}^1$

素因数の和:403387

約数の個数: 30

約数和(自身を含む): 387638570

約数和(自身を除く): 226290970

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 403369, 806738, 1613476, 2016845, 3226952, 4033690, 6453904, 8067380, 10084225, 16134760, 20168450, 32269520, 40336900, 80673800, 161347600]

約数ペア:

[(1, 161347600), (2, 80673800), (4, 40336900), (5, 32269520), (8, 20168450), (10, 16134760), (16, 10084225), (20, 8067380), (25, 6453904), (40, 4033690), (50, 3226952), (80, 2016845), (100, 1613476), (200, 806738), (400, 403369)]