90628240

素因数分解:

$2^4\times 5^1\times {\mathrm{137}}^1\times {\mathrm{8269}}^1$

素因数の和:8419

約数の個数: 40

約数和(自身を含む): 212274360

約数和(自身を除く): 121646120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 137, 274, 548, 685, 1096, 1370, 2192, 2740, 5480, 8269, 10960, 16538, 33076, 41345, 66152, 82690, 132304, 165380, 330760, 661520, 1132853, 2265706, 4531412, 5664265, 9062824, 11328530, 18125648, 22657060, 45314120, 90628240]

約数ペア:

[(1, 90628240), (2, 45314120), (4, 22657060), (5, 18125648), (8, 11328530), (10, 9062824), (16, 5664265), (20, 4531412), (40, 2265706), (80, 1132853), (137, 661520), (274, 330760), (548, 165380), (685, 132304), (1096, 82690), (1370, 66152), (2192, 41345), (2740, 33076), (5480, 16538), (8269, 10960)]