53781740

素因数分解:

$2^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{13513}}^1$

素因数の和:13721

約数の個数: 24

約数和(自身を含む): 113517600

約数和(自身を除く): 59735860

約数列:

[1, 2, 4, 5, 10, 20, 199, 398, 796, 995, 1990, 3980, 13513, 27026, 54052, 67565, 135130, 270260, 2689087, 5378174, 10756348, 13445435, 26890870, 53781740]

約数ペア:

[(1, 53781740), (2, 26890870), (4, 13445435), (5, 10756348), (10, 5378174), (20, 2689087), (199, 270260), (398, 135130), (796, 67565), (995, 54052), (1990, 27026), (3980, 13513)]