203969840

素因数分解:

$2^4\times 5^1\times {\mathrm{2549623}}^1$

素因数の和:2549636

約数の個数: 20

約数和(自身を含む): 474230064

約数和(自身を除く): 270260224

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2549623, 5099246, 10198492, 12748115, 20396984, 25496230, 40793968, 50992460, 101984920, 203969840]

約数ペア:

[(1, 203969840), (2, 101984920), (4, 50992460), (5, 40793968), (8, 25496230), (10, 20396984), (16, 12748115), (20, 10198492), (40, 5099246), (80, 2549623)]