64307120

素因数分解:

$2^4\times 5^1\times {\mathrm{97}}^1\times {\mathrm{8287}}^1$

素因数の和:8397

約数の個数: 40

約数和(自身を含む): 151073664

約数和(自身を除く): 86766544

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 97, 194, 388, 485, 776, 970, 1552, 1940, 3880, 7760, 8287, 16574, 33148, 41435, 66296, 82870, 132592, 165740, 331480, 662960, 803839, 1607678, 3215356, 4019195, 6430712, 8038390, 12861424, 16076780, 32153560, 64307120]

約数ペア:

[(1, 64307120), (2, 32153560), (4, 16076780), (5, 12861424), (8, 8038390), (10, 6430712), (16, 4019195), (20, 3215356), (40, 1607678), (80, 803839), (97, 662960), (194, 331480), (388, 165740), (485, 132592), (776, 82870), (970, 66296), (1552, 41435), (1940, 33148), (3880, 16574), (7760, 8287)]