205884680

素因数分解:

$2^3\times 5^1\times {\mathrm{193}}^1\times {\mathrm{26669}}^1$

素因数の和:26873

約数の個数: 32

約数和(自身を含む): 465658200

約数和(自身を除く): 259773520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 193, 386, 772, 965, 1544, 1930, 3860, 7720, 26669, 53338, 106676, 133345, 213352, 266690, 533380, 1066760, 5147117, 10294234, 20588468, 25735585, 41176936, 51471170, 102942340, 205884680]

約数ペア:

[(1, 205884680), (2, 102942340), (4, 51471170), (5, 41176936), (8, 25735585), (10, 20588468), (20, 10294234), (40, 5147117), (193, 1066760), (386, 533380), (772, 266690), (965, 213352), (1544, 133345), (1930, 106676), (3860, 53338), (7720, 26669)]