6436820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1303}}^1$

素因数の和:1344

約数の個数: 48

約数和(自身を含む): 15335040

約数和(自身を除く): 8898220

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 247, 260, 380, 494, 988, 1235, 1303, 2470, 2606, 4940, 5212, 6515, 13030, 16939, 24757, 26060, 33878, 49514, 67756, 84695, 99028, 123785, 169390, 247570, 321841, 338780, 495140, 643682, 1287364, 1609205, 3218410, 6436820]

約数ペア:

[(1, 6436820), (2, 3218410), (4, 1609205), (5, 1287364), (10, 643682), (13, 495140), (19, 338780), (20, 321841), (26, 247570), (38, 169390), (52, 123785), (65, 99028), (76, 84695), (95, 67756), (130, 49514), (190, 33878), (247, 26060), (260, 24757), (380, 16939), (494, 13030), (988, 6515), (1235, 5212), (1303, 4940), (2470, 2606)]