40010128

素因数分解:

$2^4\times {\mathrm{89}}^1\times {\mathrm{28097}}^1$

素因数の和:28194

約数の個数: 20

約数和(自身を含む): 78393420

約数和(自身を除く): 38383292

約数列:

[1, 2, 4, 8, 16, 89, 178, 356, 712, 1424, 28097, 56194, 112388, 224776, 449552, 2500633, 5001266, 10002532, 20005064, 40010128]

約数ペア:

[(1, 40010128), (2, 20005064), (4, 10002532), (8, 5001266), (16, 2500633), (89, 449552), (178, 224776), (356, 112388), (712, 56194), (1424, 28097)]