1402880

素因数分解:

$2^{11}\times 5^1\times {\mathrm{137}}^1$

素因数の和:164

約数の個数: 48

約数和(自身を含む): 3390660

約数和(自身を除く): 1987780

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 137, 160, 256, 274, 320, 512, 548, 640, 685, 1024, 1096, 1280, 1370, 2048, 2192, 2560, 2740, 4384, 5120, 5480, 8768, 10240, 10960, 17536, 21920, 35072, 43840, 70144, 87680, 140288, 175360, 280576, 350720, 701440, 1402880]

約数ペア:

[(1, 1402880), (2, 701440), (4, 350720), (5, 280576), (8, 175360), (10, 140288), (16, 87680), (20, 70144), (32, 43840), (40, 35072), (64, 21920), (80, 17536), (128, 10960), (137, 10240), (160, 8768), (256, 5480), (274, 5120), (320, 4384), (512, 2740), (548, 2560), (640, 2192), (685, 2048), (1024, 1370), (1096, 1280)]