55081960

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{17431}}^1$

素因数の和:17521

約数の個数: 32

約数和(自身を含む): 125510400

約数和(自身を除く): 70428440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1580, 3160, 17431, 34862, 69724, 87155, 139448, 174310, 348620, 697240, 1377049, 2754098, 5508196, 6885245, 11016392, 13770490, 27540980, 55081960]

約数ペア:

[(1, 55081960), (2, 27540980), (4, 13770490), (5, 11016392), (8, 6885245), (10, 5508196), (20, 2754098), (40, 1377049), (79, 697240), (158, 348620), (316, 174310), (395, 139448), (632, 87155), (790, 69724), (1580, 34862), (3160, 17431)]