178889120

素因数分解:

$2^5\times 5^1\times {\mathrm{137}}^1\times {\mathrm{8161}}^1$

素因数の和:8313

約数の個数: 48

約数和(自身を含む): 425762568

約数和(自身を除く): 246873448

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 137, 160, 274, 548, 685, 1096, 1370, 2192, 2740, 4384, 5480, 8161, 10960, 16322, 21920, 32644, 40805, 65288, 81610, 130576, 163220, 261152, 326440, 652880, 1118057, 1305760, 2236114, 4472228, 5590285, 8944456, 11180570, 17888912, 22361140, 35777824, 44722280, 89444560, 178889120]

約数ペア:

[(1, 178889120), (2, 89444560), (4, 44722280), (5, 35777824), (8, 22361140), (10, 17888912), (16, 11180570), (20, 8944456), (32, 5590285), (40, 4472228), (80, 2236114), (137, 1305760), (160, 1118057), (274, 652880), (548, 326440), (685, 261152), (1096, 163220), (1370, 130576), (2192, 81610), (2740, 65288), (4384, 40805), (5480, 32644), (8161, 21920), (10960, 16322)]