4279640

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{1103}}^1$

素因数の和:1211

約数の個数: 32

約数和(自身を含む): 9737280

約数和(自身を除く): 5457640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 194, 388, 485, 776, 970, 1103, 1940, 2206, 3880, 4412, 5515, 8824, 11030, 22060, 44120, 106991, 213982, 427964, 534955, 855928, 1069910, 2139820, 4279640]

約数ペア:

[(1, 4279640), (2, 2139820), (4, 1069910), (5, 855928), (8, 534955), (10, 427964), (20, 213982), (40, 106991), (97, 44120), (194, 22060), (388, 11030), (485, 8824), (776, 5515), (970, 4412), (1103, 3880), (1940, 2206)]