8611660

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{193}}^1$

素因数の和:322

約数の個数: 48

約数和(自身を含む): 19164096

約数和(自身を除く): 10552436

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 97, 115, 193, 194, 230, 386, 388, 460, 485, 772, 965, 970, 1930, 1940, 2231, 3860, 4439, 4462, 8878, 8924, 11155, 17756, 18721, 22195, 22310, 37442, 44390, 44620, 74884, 88780, 93605, 187210, 374420, 430583, 861166, 1722332, 2152915, 4305830, 8611660]

約数ペア:

[(1, 8611660), (2, 4305830), (4, 2152915), (5, 1722332), (10, 861166), (20, 430583), (23, 374420), (46, 187210), (92, 93605), (97, 88780), (115, 74884), (193, 44620), (194, 44390), (230, 37442), (386, 22310), (388, 22195), (460, 18721), (485, 17756), (772, 11155), (965, 8924), (970, 8878), (1930, 4462), (1940, 4439), (2231, 3860)]