124580980

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{64217}}^1$

素因数の和:64323

約数の個数: 24

約数和(自身を含む): 264321288

約数和(自身を除く): 139740308

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 388, 485, 970, 1940, 64217, 128434, 256868, 321085, 642170, 1284340, 6229049, 12458098, 24916196, 31145245, 62290490, 124580980]

約数ペア:

[(1, 124580980), (2, 62290490), (4, 31145245), (5, 24916196), (10, 12458098), (20, 6229049), (97, 1284340), (194, 642170), (388, 321085), (485, 256868), (970, 128434), (1940, 64217)]