25653640

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{7727}}^1$

素因数の和:7821

約数の個数: 32

約数和(自身を含む): 58423680

約数和(自身を除く): 32770040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 166, 332, 415, 664, 830, 1660, 3320, 7727, 15454, 30908, 38635, 61816, 77270, 154540, 309080, 641341, 1282682, 2565364, 3206705, 5130728, 6413410, 12826820, 25653640]

約数ペア:

[(1, 25653640), (2, 12826820), (4, 6413410), (5, 5130728), (8, 3206705), (10, 2565364), (20, 1282682), (40, 641341), (83, 309080), (166, 154540), (332, 77270), (415, 61816), (664, 38635), (830, 30908), (1660, 15454), (3320, 7727)]