80484400

素因数分解:

$2^4\times 5^2\times {\mathrm{201211}}^1$

素因数の和:201229

約数の個数: 30

約数和(自身を含む): 193364732

約数和(自身を除く): 112880332

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 201211, 402422, 804844, 1006055, 1609688, 2012110, 3219376, 4024220, 5030275, 8048440, 10060550, 16096880, 20121100, 40242200, 80484400]

約数ペア:

[(1, 80484400), (2, 40242200), (4, 20121100), (5, 16096880), (8, 10060550), (10, 8048440), (16, 5030275), (20, 4024220), (25, 3219376), (40, 2012110), (50, 1609688), (80, 1006055), (100, 804844), (200, 402422), (400, 201211)]