1215940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{5527}}^1$

素因数の和:5547

約数の個数: 24

約数和(自身を含む): 2786112

約数和(自身を除く): 1570172

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 5527, 11054, 22108, 27635, 55270, 60797, 110540, 121594, 243188, 303985, 607970, 1215940]

約数ペア:

[(1, 1215940), (2, 607970), (4, 303985), (5, 243188), (10, 121594), (11, 110540), (20, 60797), (22, 55270), (44, 27635), (55, 22108), (110, 11054), (220, 5527)]