31800140

素因数分解:

$2^2\times 5^1\times {\mathrm{167}}^1\times {\mathrm{9521}}^1$

素因数の和:9697

約数の個数: 24

約数和(自身を含む): 67187232

約数和(自身を除く): 35387092

約数列:

[1, 2, 4, 5, 10, 20, 167, 334, 668, 835, 1670, 3340, 9521, 19042, 38084, 47605, 95210, 190420, 1590007, 3180014, 6360028, 7950035, 15900070, 31800140]

約数ペア:

[(1, 31800140), (2, 15900070), (4, 7950035), (5, 6360028), (10, 3180014), (20, 1590007), (167, 190420), (334, 95210), (668, 47605), (835, 38084), (1670, 19042), (3340, 9521)]