81220060

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{213737}}^1$

素因数の和:213765

約数の個数: 24

約数和(自身を含む): 179539920

約数和(自身を除く): 98319860

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 213737, 427474, 854948, 1068685, 2137370, 4061003, 4274740, 8122006, 16244012, 20305015, 40610030, 81220060]

約数ペア:

[(1, 81220060), (2, 40610030), (4, 20305015), (5, 16244012), (10, 8122006), (19, 4274740), (20, 4061003), (38, 2137370), (76, 1068685), (95, 854948), (190, 427474), (380, 213737)]