13001720

素因数分解:

$2^3\times 5^1\times {\mathrm{325043}}^1$

素因数の和:325054

約数の個数: 16

約数和(自身を含む): 29253960

約数和(自身を除く): 16252240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 325043, 650086, 1300172, 1625215, 2600344, 3250430, 6500860, 13001720]

約数ペア:

[(1, 13001720), (2, 6500860), (4, 3250430), (5, 2600344), (8, 1625215), (10, 1300172), (20, 650086), (40, 325043)]