219689840

素因数分解:

$2^4\times 5^1\times {\mathrm{2746123}}^1$

素因数の和:2746136

約数の個数: 20

約数和(自身を含む): 510779064

約数和(自身を除く): 291089224

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2746123, 5492246, 10984492, 13730615, 21968984, 27461230, 43937968, 54922460, 109844920, 219689840]

約数ペア:

[(1, 219689840), (2, 109844920), (4, 54922460), (5, 43937968), (8, 27461230), (10, 21968984), (16, 13730615), (20, 10984492), (40, 5492246), (80, 2746123)]