80916810

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{207479}}^1$

素因数の和:207502

約数の個数: 32

約数和(自身を含む): 209139840

約数和(自身を除く): 128223030

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 207479, 414958, 622437, 1037395, 1244874, 2074790, 2697227, 3112185, 5394454, 6224370, 8091681, 13486135, 16183362, 26972270, 40458405, 80916810]

約数ペア:

[(1, 80916810), (2, 40458405), (3, 26972270), (5, 16183362), (6, 13486135), (10, 8091681), (13, 6224370), (15, 5394454), (26, 3112185), (30, 2697227), (39, 2074790), (65, 1244874), (78, 1037395), (130, 622437), (195, 414958), (390, 207479)]