6499120

素因数分解:

$2^4\times 5^1\times {\mathrm{81239}}^1$

素因数の和:81252

約数の個数: 20

約数和(自身を含む): 15110640

約数和(自身を除く): 8611520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 81239, 162478, 324956, 406195, 649912, 812390, 1299824, 1624780, 3249560, 6499120]

約数ペア:

[(1, 6499120), (2, 3249560), (4, 1624780), (5, 1299824), (8, 812390), (10, 649912), (16, 406195), (20, 324956), (40, 162478), (80, 81239)]