117969640

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1\times {\mathrm{641}}^1$

素因数の和:802

約数の個数: 64

約数和(自身を含む): 274570560

約数和(自身を除く): 156600920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 107, 172, 214, 215, 344, 428, 430, 535, 641, 856, 860, 1070, 1282, 1720, 2140, 2564, 3205, 4280, 4601, 5128, 6410, 9202, 12820, 18404, 23005, 25640, 27563, 36808, 46010, 55126, 68587, 92020, 110252, 137174, 137815, 184040, 220504, 274348, 275630, 342935, 548696, 551260, 685870, 1102520, 1371740, 2743480, 2949241, 5898482, 11796964, 14746205, 23593928, 29492410, 58984820, 117969640]

約数ペア:

[(1, 117969640), (2, 58984820), (4, 29492410), (5, 23593928), (8, 14746205), (10, 11796964), (20, 5898482), (40, 2949241), (43, 2743480), (86, 1371740), (107, 1102520), (172, 685870), (214, 551260), (215, 548696), (344, 342935), (428, 275630), (430, 274348), (535, 220504), (641, 184040), (856, 137815), (860, 137174), (1070, 110252), (1282, 92020), (1720, 68587), (2140, 55126), (2564, 46010), (3205, 36808), (4280, 27563), (4601, 25640), (5128, 23005), (6410, 18404), (9202, 12820)]