8661340

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{991}}^1$

素因数の和:1042

約数の個数: 48

約数和(自身を含む): 19998720

約数和(自身を除く): 11337380

約数列:

[1, 2, 4, 5, 10, 19, 20, 23, 38, 46, 76, 92, 95, 115, 190, 230, 380, 437, 460, 874, 991, 1748, 1982, 2185, 3964, 4370, 4955, 8740, 9910, 18829, 19820, 22793, 37658, 45586, 75316, 91172, 94145, 113965, 188290, 227930, 376580, 433067, 455860, 866134, 1732268, 2165335, 4330670, 8661340]

約数ペア:

[(1, 8661340), (2, 4330670), (4, 2165335), (5, 1732268), (10, 866134), (19, 455860), (20, 433067), (23, 376580), (38, 227930), (46, 188290), (76, 113965), (92, 94145), (95, 91172), (115, 75316), (190, 45586), (230, 37658), (380, 22793), (437, 19820), (460, 18829), (874, 9910), (991, 8740), (1748, 4955), (1982, 4370), (2185, 3964)]