128410540

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{66191}}^1$

素因数の和:66297

約数の個数: 24

約数和(自身を含む): 272446272

約数和(自身を除く): 144035732

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 388, 485, 970, 1940, 66191, 132382, 264764, 330955, 661910, 1323820, 6420527, 12841054, 25682108, 32102635, 64205270, 128410540]

約数ペア:

[(1, 128410540), (2, 64205270), (4, 32102635), (5, 25682108), (10, 12841054), (20, 6420527), (97, 1323820), (194, 661910), (388, 330955), (485, 264764), (970, 132382), (1940, 66191)]