565543880

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{991}}^1\times {\mathrm{1297}}^1$

素因数の和:2310

約数の個数: 64

約数和(自身を含む): 1390625280

約数和(自身を除く): 825081400

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 991, 1297, 1982, 2594, 3964, 4955, 5188, 6485, 7928, 9910, 10376, 10901, 12970, 14267, 19820, 21802, 25940, 28534, 39640, 43604, 51880, 54505, 57068, 71335, 87208, 109010, 114136, 142670, 218020, 285340, 436040, 570680, 1285327, 2570654, 5141308, 6426635, 10282616, 12853270, 14138597, 25706540, 28277194, 51413080, 56554388, 70692985, 113108776, 141385970, 282771940, 565543880]

約数ペア:

[(1, 565543880), (2, 282771940), (4, 141385970), (5, 113108776), (8, 70692985), (10, 56554388), (11, 51413080), (20, 28277194), (22, 25706540), (40, 14138597), (44, 12853270), (55, 10282616), (88, 6426635), (110, 5141308), (220, 2570654), (440, 1285327), (991, 570680), (1297, 436040), (1982, 285340), (2594, 218020), (3964, 142670), (4955, 114136), (5188, 109010), (6485, 87208), (7928, 71335), (9910, 57068), (10376, 54505), (10901, 51880), (12970, 43604), (14267, 39640), (19820, 28534), (21802, 25940)]