28940560

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{32887}}^1$

素因数の和:32911

約数の個数: 40

約数和(自身を含む): 73406016

約数和(自身を除く): 44465456

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 32887, 65774, 131548, 164435, 263096, 328870, 361757, 526192, 657740, 723514, 1315480, 1447028, 1808785, 2630960, 2894056, 3617570, 5788112, 7235140, 14470280, 28940560]

約数ペア:

[(1, 28940560), (2, 14470280), (4, 7235140), (5, 5788112), (8, 3617570), (10, 2894056), (11, 2630960), (16, 1808785), (20, 1447028), (22, 1315480), (40, 723514), (44, 657740), (55, 526192), (80, 361757), (88, 328870), (110, 263096), (176, 164435), (220, 131548), (440, 65774), (880, 32887)]