268496720

素因数分解:

$2^4\times 5^1\times {\mathrm{3356209}}^1$

素因数の和:3356222

約数の個数: 20

約数和(自身を含む): 624255060

約数和(自身を除く): 355758340

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 3356209, 6712418, 13424836, 16781045, 26849672, 33562090, 53699344, 67124180, 134248360, 268496720]

約数ペア:

[(1, 268496720), (2, 134248360), (4, 67124180), (5, 53699344), (8, 33562090), (10, 26849672), (16, 16781045), (20, 13424836), (40, 6712418), (80, 3356209)]