200740840

素因数分解:

$2^3\times 5^1\times {\mathrm{5018521}}^1$

素因数の和:5018532

約数の個数: 16

約数和(自身を含む): 451666980

約数和(自身を除く): 250926140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5018521, 10037042, 20074084, 25092605, 40148168, 50185210, 100370420, 200740840]

約数ペア:

[(1, 200740840), (2, 100370420), (4, 50185210), (5, 40148168), (8, 25092605), (10, 20074084), (20, 10037042), (40, 5018521)]