2168720

素因数分解:

$2^4\times 5^1\times {\mathrm{27109}}^1$

素因数の和:27122

約数の個数: 20

約数和(自身を含む): 5042460

約数和(自身を除く): 2873740

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 27109, 54218, 108436, 135545, 216872, 271090, 433744, 542180, 1084360, 2168720]

約数ペア:

[(1, 2168720), (2, 1084360), (4, 542180), (5, 433744), (8, 271090), (10, 216872), (16, 135545), (20, 108436), (40, 54218), (80, 27109)]