201663760

素因数分解:

$2^4\times 5^1\times {\mathrm{2520797}}^1$

素因数の和:2520810

約数の個数: 20

約数和(自身を含む): 468868428

約数和(自身を除く): 267204668

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2520797, 5041594, 10083188, 12603985, 20166376, 25207970, 40332752, 50415940, 100831880, 201663760]

約数ペア:

[(1, 201663760), (2, 100831880), (4, 50415940), (5, 40332752), (8, 25207970), (10, 20166376), (16, 12603985), (20, 10083188), (40, 5041594), (80, 2520797)]