2016802225

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{947}}^1\times {\mathrm{5011}}^1$

素因数の和:5985

約数の個数: 24

約数和(自身を含む): 2651267808

約数和(自身を除く): 634465583

約数列:

[1, 5, 17, 25, 85, 425, 947, 4735, 5011, 16099, 23675, 25055, 80495, 85187, 125275, 402475, 425935, 2129675, 4745417, 23727085, 80672089, 118635425, 403360445, 2016802225]

約数ペア:

[(1, 2016802225), (5, 403360445), (17, 118635425), (25, 80672089), (85, 23727085), (425, 4745417), (947, 2129675), (4735, 425935), (5011, 402475), (16099, 125275), (23675, 85187), (25055, 80495)]