11686540

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1\times {\mathrm{127}}^1$

素因数の和:286

約数の個数: 48

約数和(自身を含む): 25546752

約数和(自身を除く): 13860212

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 107, 127, 172, 214, 215, 254, 428, 430, 508, 535, 635, 860, 1070, 1270, 2140, 2540, 4601, 5461, 9202, 10922, 13589, 18404, 21844, 23005, 27178, 27305, 46010, 54356, 54610, 67945, 92020, 109220, 135890, 271780, 584327, 1168654, 2337308, 2921635, 5843270, 11686540]

約数ペア:

[(1, 11686540), (2, 5843270), (4, 2921635), (5, 2337308), (10, 1168654), (20, 584327), (43, 271780), (86, 135890), (107, 109220), (127, 92020), (172, 67945), (214, 54610), (215, 54356), (254, 46010), (428, 27305), (430, 27178), (508, 23005), (535, 21844), (635, 18404), (860, 13589), (1070, 10922), (1270, 9202), (2140, 5461), (2540, 4601)]