2099689840

素因数分解:

$2^4\times 5^1\times {\mathrm{26246123}}^1$

素因数の和:26246136

約数の個数: 20

約数和(自身を含む): 4881779064

約数和(自身を除く): 2782089224

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 26246123, 52492246, 104984492, 131230615, 209968984, 262461230, 419937968, 524922460, 1049844920, 2099689840]

約数ペア:

[(1, 2099689840), (2, 1049844920), (4, 524922460), (5, 419937968), (8, 262461230), (10, 209968984), (16, 131230615), (20, 104984492), (40, 52492246), (80, 26246123)]