40218985

素因数分解:

$5^1\times {\mathrm{73}}^1\times {\mathrm{251}}^1\times {\mathrm{439}}^1$

素因数の和:768

約数の個数: 16

約数和(自身を含む): 49230720

約数和(自身を除く): 9011735

約数列:

[1, 5, 73, 251, 365, 439, 1255, 2195, 18323, 32047, 91615, 110189, 160235, 550945, 8043797, 40218985]

約数ペア:

[(1, 40218985), (5, 8043797), (73, 550945), (251, 160235), (365, 110189), (439, 91615), (1255, 32047), (2195, 18323)]