1380495740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{5309599}}^1$

素因数の和:5309621

約数の個数: 24

約数和(自身を含む): 3122044800

約数和(自身を除く): 1741549060

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 5309599, 10619198, 21238396, 26547995, 53095990, 69024787, 106191980, 138049574, 276099148, 345123935, 690247870, 1380495740]

約数ペア:

[(1, 1380495740), (2, 690247870), (4, 345123935), (5, 276099148), (10, 138049574), (13, 106191980), (20, 69024787), (26, 53095990), (52, 26547995), (65, 21238396), (130, 10619198), (260, 5309599)]