201601720

素因数分解:

$2^3\times 5^1\times {\mathrm{5040043}}^1$

素因数の和:5040054

約数の個数: 16

約数和(自身を含む): 453603960

約数和(自身を除く): 252002240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5040043, 10080086, 20160172, 25200215, 40320344, 50400430, 100800860, 201601720]

約数ペア:

[(1, 201601720), (2, 100800860), (4, 50400430), (5, 40320344), (8, 25200215), (10, 20160172), (20, 10080086), (40, 5040043)]