27822740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{11497}}^1$

素因数の和:11528

約数の個数: 36

約数和(自身を含む): 64227828

約数和(自身を除く): 36405088

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 2420, 11497, 22994, 45988, 57485, 114970, 126467, 229940, 252934, 505868, 632335, 1264670, 1391137, 2529340, 2782274, 5564548, 6955685, 13911370, 27822740]

約数ペア:

[(1, 27822740), (2, 13911370), (4, 6955685), (5, 5564548), (10, 2782274), (11, 2529340), (20, 1391137), (22, 1264670), (44, 632335), (55, 505868), (110, 252934), (121, 229940), (220, 126467), (242, 114970), (484, 57485), (605, 45988), (1210, 22994), (2420, 11497)]