2076804920

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{137}}^1\times {\mathrm{3907}}^1$

素因数の和:4152

約数の個数: 64

約数和(自身を含む): 4756661280

約数和(自身を除く): 2679856360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 137, 194, 274, 388, 485, 548, 685, 776, 970, 1096, 1370, 1940, 2740, 3880, 3907, 5480, 7814, 13289, 15628, 19535, 26578, 31256, 39070, 53156, 66445, 78140, 106312, 132890, 156280, 265780, 378979, 531560, 535259, 757958, 1070518, 1515916, 1894895, 2141036, 2676295, 3031832, 3789790, 4282072, 5352590, 7579580, 10705180, 15159160, 21410360, 51920123, 103840246, 207680492, 259600615, 415360984, 519201230, 1038402460, 2076804920]

約数ペア:

[(1, 2076804920), (2, 1038402460), (4, 519201230), (5, 415360984), (8, 259600615), (10, 207680492), (20, 103840246), (40, 51920123), (97, 21410360), (137, 15159160), (194, 10705180), (274, 7579580), (388, 5352590), (485, 4282072), (548, 3789790), (685, 3031832), (776, 2676295), (970, 2141036), (1096, 1894895), (1370, 1515916), (1940, 1070518), (2740, 757958), (3880, 535259), (3907, 531560), (5480, 378979), (7814, 265780), (13289, 156280), (15628, 132890), (19535, 106312), (26578, 78140), (31256, 66445), (39070, 53156)]