10641920

素因数分解:

$2^9\times 5^1\times {\mathrm{4157}}^1$

素因数の和:4180

約数の個数: 40

約数和(自身を含む): 25521804

約数和(自身を除く): 14879884

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 4157, 8314, 16628, 20785, 33256, 41570, 66512, 83140, 133024, 166280, 266048, 332560, 532096, 665120, 1064192, 1330240, 2128384, 2660480, 5320960, 10641920]

約数ペア:

[(1, 10641920), (2, 5320960), (4, 2660480), (5, 2128384), (8, 1330240), (10, 1064192), (16, 665120), (20, 532096), (32, 332560), (40, 266048), (64, 166280), (80, 133024), (128, 83140), (160, 66512), (256, 41570), (320, 33256), (512, 20785), (640, 16628), (1280, 8314), (2560, 4157)]