40805882

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{113}}^1$

素因数の和:207

約数の個数: 64

約数和(自身を含む): 75841920

約数和(自身を除く): 35036038

約数列:

[1, 2, 13, 17, 19, 26, 34, 38, 43, 86, 113, 221, 226, 247, 323, 442, 494, 559, 646, 731, 817, 1118, 1462, 1469, 1634, 1921, 2147, 2938, 3842, 4199, 4294, 4859, 8398, 9503, 9718, 10621, 13889, 19006, 21242, 24973, 27778, 27911, 36499, 49946, 55822, 63167, 72998, 82603, 92321, 126334, 165206, 180557, 184642, 361114, 474487, 948974, 1073839, 1200173, 1569457, 2147678, 2400346, 3138914, 20402941, 40805882]

約数ペア:

[(1, 40805882), (2, 20402941), (13, 3138914), (17, 2400346), (19, 2147678), (26, 1569457), (34, 1200173), (38, 1073839), (43, 948974), (86, 474487), (113, 361114), (221, 184642), (226, 180557), (247, 165206), (323, 126334), (442, 92321), (494, 82603), (559, 72998), (646, 63167), (731, 55822), (817, 49946), (1118, 36499), (1462, 27911), (1469, 27778), (1634, 24973), (1921, 21242), (2147, 19006), (2938, 13889), (3842, 10621), (4199, 9718), (4294, 9503), (4859, 8398)]