42177880

素因数分解:

$2^3\times 5^1\times {\mathrm{163}}^1\times {\mathrm{6469}}^1$

素因数の和:6643

約数の個数: 32

約数和(自身を含む): 95497200

約数和(自身を除く): 53319320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 163, 326, 652, 815, 1304, 1630, 3260, 6469, 6520, 12938, 25876, 32345, 51752, 64690, 129380, 258760, 1054447, 2108894, 4217788, 5272235, 8435576, 10544470, 21088940, 42177880]

約数ペア:

[(1, 42177880), (2, 21088940), (4, 10544470), (5, 8435576), (8, 5272235), (10, 4217788), (20, 2108894), (40, 1054447), (163, 258760), (326, 129380), (652, 64690), (815, 51752), (1304, 32345), (1630, 25876), (3260, 12938), (6469, 6520)]