38181340

素因数分解:

$2^2\times 5^1\times {\mathrm{643}}^1\times {\mathrm{2969}}^1$

素因数の和:3621

約数の個数: 24

約数和(自身を含む): 80332560

約数和(自身を除く): 42151220

約数列:

[1, 2, 4, 5, 10, 20, 643, 1286, 2572, 2969, 3215, 5938, 6430, 11876, 12860, 14845, 29690, 59380, 1909067, 3818134, 7636268, 9545335, 19090670, 38181340]

約数ペア:

[(1, 38181340), (2, 19090670), (4, 9545335), (5, 7636268), (10, 3818134), (20, 1909067), (643, 59380), (1286, 29690), (2572, 14845), (2969, 12860), (3215, 11876), (5938, 6430)]