3845080

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{991}}^1$

素因数の和:1099

約数の個数: 32

約数和(自身を含む): 8749440

約数和(自身を除く): 4904360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 194, 388, 485, 776, 970, 991, 1940, 1982, 3880, 3964, 4955, 7928, 9910, 19820, 39640, 96127, 192254, 384508, 480635, 769016, 961270, 1922540, 3845080]

約数ペア:

[(1, 3845080), (2, 1922540), (4, 961270), (5, 769016), (8, 480635), (10, 384508), (20, 192254), (40, 96127), (97, 39640), (194, 19820), (388, 9910), (485, 7928), (776, 4955), (970, 3964), (991, 3880), (1940, 1982)]