128323480

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{188711}}^1$

素因数の和:188739

約数の個数: 32

約数和(自身を含む): 305713440

約数和(自身を除く): 177389960

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 188711, 377422, 754844, 943555, 1509688, 1887110, 3208087, 3774220, 6416174, 7548440, 12832348, 16040435, 25664696, 32080870, 64161740, 128323480]

約数ペア:

[(1, 128323480), (2, 64161740), (4, 32080870), (5, 25664696), (8, 16040435), (10, 12832348), (17, 7548440), (20, 6416174), (34, 3774220), (40, 3208087), (68, 1887110), (85, 1509688), (136, 943555), (170, 754844), (340, 377422), (680, 188711)]