5129840

素因数分解:

$2^4\times 5^1\times {\mathrm{64123}}^1$

素因数の和:64136

約数の個数: 20

約数和(自身を含む): 11927064

約数和(自身を除く): 6797224

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 64123, 128246, 256492, 320615, 512984, 641230, 1025968, 1282460, 2564920, 5129840]

約数ペア:

[(1, 5129840), (2, 2564920), (4, 1282460), (5, 1025968), (8, 641230), (10, 512984), (16, 320615), (20, 256492), (40, 128246), (80, 64123)]