53400440

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{13763}}^1$

素因数の和:13871

約数の個数: 32

約数和(自身を含む): 121398480

約数和(自身を除く): 67998040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 194, 388, 485, 776, 970, 1940, 3880, 13763, 27526, 55052, 68815, 110104, 137630, 275260, 550520, 1335011, 2670022, 5340044, 6675055, 10680088, 13350110, 26700220, 53400440]

約数ペア:

[(1, 53400440), (2, 26700220), (4, 13350110), (5, 10680088), (8, 6675055), (10, 5340044), (20, 2670022), (40, 1335011), (97, 550520), (194, 275260), (388, 137630), (485, 110104), (776, 68815), (970, 55052), (1940, 27526), (3880, 13763)]