51263530

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1\times {\mathrm{1289}}^1$

素因数の和:1434

約数の個数: 32

約数和(自身を含む): 95573520

約数和(自身を除く): 44309990

約数列:

[1, 2, 5, 10, 41, 82, 97, 194, 205, 410, 485, 970, 1289, 2578, 3977, 6445, 7954, 12890, 19885, 39770, 52849, 105698, 125033, 250066, 264245, 528490, 625165, 1250330, 5126353, 10252706, 25631765, 51263530]

約数ペア:

[(1, 51263530), (2, 25631765), (5, 10252706), (10, 5126353), (41, 1250330), (82, 625165), (97, 528490), (194, 264245), (205, 250066), (410, 125033), (485, 105698), (970, 52849), (1289, 39770), (2578, 19885), (3977, 12890), (6445, 7954)]