90031940

素因数分解:

$2^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{42071}}^1$

素因数の和:42187

約数の個数: 24

約数和(自身を含む): 190838592

約数和(自身を除く): 100806652

約数列:

[1, 2, 4, 5, 10, 20, 107, 214, 428, 535, 1070, 2140, 42071, 84142, 168284, 210355, 420710, 841420, 4501597, 9003194, 18006388, 22507985, 45015970, 90031940]

約数ペア:

[(1, 90031940), (2, 45015970), (4, 22507985), (5, 18006388), (10, 9003194), (20, 4501597), (107, 841420), (214, 420710), (428, 210355), (535, 168284), (1070, 84142), (2140, 42071)]