87354320

素因数分解:

$2^4\times 5^1\times {\mathrm{97}}^1\times {\mathrm{11257}}^1$

素因数の和:11367

約数の個数: 40

約数和(自身を含む): 205210824

約数和(自身を除く): 117856504

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 97, 194, 388, 485, 776, 970, 1552, 1940, 3880, 7760, 11257, 22514, 45028, 56285, 90056, 112570, 180112, 225140, 450280, 900560, 1091929, 2183858, 4367716, 5459645, 8735432, 10919290, 17470864, 21838580, 43677160, 87354320]

約数ペア:

[(1, 87354320), (2, 43677160), (4, 21838580), (5, 17470864), (8, 10919290), (10, 8735432), (16, 5459645), (20, 4367716), (40, 2183858), (80, 1091929), (97, 900560), (194, 450280), (388, 225140), (485, 180112), (776, 112570), (970, 90056), (1552, 56285), (1940, 45028), (3880, 22514), (7760, 11257)]