13247757620

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{1256903}}^1$

素因数の和:1256960

約数の個数: 48

約数和(自身を含む): 30407021568

約数和(自身を除く): 17159263948

約数列:

[1, 2, 4, 5, 10, 17, 20, 31, 34, 62, 68, 85, 124, 155, 170, 310, 340, 527, 620, 1054, 2108, 2635, 5270, 10540, 1256903, 2513806, 5027612, 6284515, 12569030, 21367351, 25138060, 38963993, 42734702, 77927986, 85469404, 106836755, 155855972, 194819965, 213673510, 389639930, 427347020, 662387881, 779279860, 1324775762, 2649551524, 3311939405, 6623878810, 13247757620]

約数ペア:

[(1, 13247757620), (2, 6623878810), (4, 3311939405), (5, 2649551524), (10, 1324775762), (17, 779279860), (20, 662387881), (31, 427347020), (34, 389639930), (62, 213673510), (68, 194819965), (85, 155855972), (124, 106836755), (155, 85469404), (170, 77927986), (310, 42734702), (340, 38963993), (527, 25138060), (620, 21367351), (1054, 12569030), (2108, 6284515), (2635, 5027612), (5270, 2513806), (10540, 1256903)]