11869720

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{103}}^1$

素因数の和:224

約数の個数: 64

約数和(自身を含む): 28005120

約数和(自身を除く): 16135400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 67, 86, 103, 134, 172, 206, 215, 268, 335, 344, 412, 430, 515, 536, 670, 824, 860, 1030, 1340, 1720, 2060, 2680, 2881, 4120, 4429, 5762, 6901, 8858, 11524, 13802, 14405, 17716, 22145, 23048, 27604, 28810, 34505, 35432, 44290, 55208, 57620, 69010, 88580, 115240, 138020, 177160, 276040, 296743, 593486, 1186972, 1483715, 2373944, 2967430, 5934860, 11869720]

約数ペア:

[(1, 11869720), (2, 5934860), (4, 2967430), (5, 2373944), (8, 1483715), (10, 1186972), (20, 593486), (40, 296743), (43, 276040), (67, 177160), (86, 138020), (103, 115240), (134, 88580), (172, 69010), (206, 57620), (215, 55208), (268, 44290), (335, 35432), (344, 34505), (412, 28810), (430, 27604), (515, 23048), (536, 22145), (670, 17716), (824, 14405), (860, 13802), (1030, 11524), (1340, 8858), (1720, 6901), (2060, 5762), (2680, 4429), (2881, 4120)]