87333080

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{128431}}^1$

素因数の和:128459

約数の個数: 32

約数和(自身を含む): 208059840

約数和(自身を除く): 120726760

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 128431, 256862, 513724, 642155, 1027448, 1284310, 2183327, 2568620, 4366654, 5137240, 8733308, 10916635, 17466616, 21833270, 43666540, 87333080]

約数ペア:

[(1, 87333080), (2, 43666540), (4, 21833270), (5, 17466616), (8, 10916635), (10, 8733308), (17, 5137240), (20, 4366654), (34, 2568620), (40, 2183327), (68, 1284310), (85, 1027448), (136, 642155), (170, 513724), (340, 256862), (680, 128431)]