71825920

素因数分解:

$2^9\times 5^1\times {\mathrm{28057}}^1$

素因数の和:28080

約数の個数: 40

約数和(自身を含む): 172220004

約数和(自身を除く): 100394084

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 28057, 56114, 112228, 140285, 224456, 280570, 448912, 561140, 897824, 1122280, 1795648, 2244560, 3591296, 4489120, 7182592, 8978240, 14365184, 17956480, 35912960, 71825920]

約数ペア:

[(1, 71825920), (2, 35912960), (4, 17956480), (5, 14365184), (8, 8978240), (10, 7182592), (16, 4489120), (20, 3591296), (32, 2244560), (40, 1795648), (64, 1122280), (80, 897824), (128, 561140), (160, 448912), (256, 280570), (320, 224456), (512, 140285), (640, 112228), (1280, 56114), (2560, 28057)]