469494040

素因数分解:

$2^3\times 5^1\times {\mathrm{641}}^1\times {\mathrm{18311}}^1$

素因数の和:18963

約数の個数: 32

約数和(自身を含む): 1058067360

約数和(自身を除く): 588573320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 641, 1282, 2564, 3205, 5128, 6410, 12820, 18311, 25640, 36622, 73244, 91555, 146488, 183110, 366220, 732440, 11737351, 23474702, 46949404, 58686755, 93898808, 117373510, 234747020, 469494040]

約数ペア:

[(1, 469494040), (2, 234747020), (4, 117373510), (5, 93898808), (8, 58686755), (10, 46949404), (20, 23474702), (40, 11737351), (641, 732440), (1282, 366220), (2564, 183110), (3205, 146488), (5128, 91555), (6410, 73244), (12820, 36622), (18311, 25640)]