28031988820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{127418131}}^1$

素因数の和:127418151

約数の個数: 24

約数和(自身を含む): 64218738528

約数和(自身を除く): 36186749708

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 127418131, 254836262, 509672524, 637090655, 1274181310, 1401599441, 2548362620, 2803198882, 5606397764, 7007997205, 14015994410, 28031988820]

約数ペア:

[(1, 28031988820), (2, 14015994410), (4, 7007997205), (5, 5606397764), (10, 2803198882), (11, 2548362620), (20, 1401599441), (22, 1274181310), (44, 637090655), (55, 509672524), (110, 254836262), (220, 127418131)]