42668420

素因数分解:

$2^2\times 5^1\times {\mathrm{211}}^1\times {\mathrm{10111}}^1$

素因数の和:10331

約数の個数: 24

約数和(自身を含む): 90037248

約数和(自身を除く): 47368828

約数列:

[1, 2, 4, 5, 10, 20, 211, 422, 844, 1055, 2110, 4220, 10111, 20222, 40444, 50555, 101110, 202220, 2133421, 4266842, 8533684, 10667105, 21334210, 42668420]

約数ペア:

[(1, 42668420), (2, 21334210), (4, 10667105), (5, 8533684), (10, 4266842), (20, 2133421), (211, 202220), (422, 101110), (844, 50555), (1055, 40444), (2110, 20222), (4220, 10111)]