54405390

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139501}}^1$

素因数の和:139524

約数の個数: 32

約数和(自身を含む): 140618016

約数和(自身を除く): 86212626

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 139501, 279002, 418503, 697505, 837006, 1395010, 1813513, 2092515, 3627026, 4185030, 5440539, 9067565, 10881078, 18135130, 27202695, 54405390]

約数ペア:

[(1, 54405390), (2, 27202695), (3, 18135130), (5, 10881078), (6, 9067565), (10, 5440539), (13, 4185030), (15, 3627026), (26, 2092515), (30, 1813513), (39, 1395010), (65, 837006), (78, 697505), (130, 418503), (195, 279002), (390, 139501)]