499887440

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{480661}}^1$

素因数の和:480687

約数の個数: 40

約数和(自身を含む): 1251643848

約数和(自身を除く): 751756408

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 480661, 961322, 1922644, 2403305, 3845288, 4806610, 6248593, 7690576, 9613220, 12497186, 19226440, 24994372, 31242965, 38452880, 49988744, 62485930, 99977488, 124971860, 249943720, 499887440]

約数ペア:

[(1, 499887440), (2, 249943720), (4, 124971860), (5, 99977488), (8, 62485930), (10, 49988744), (13, 38452880), (16, 31242965), (20, 24994372), (26, 19226440), (40, 12497186), (52, 9613220), (65, 7690576), (80, 6248593), (104, 4806610), (130, 3845288), (208, 2403305), (260, 1922644), (520, 961322), (1040, 480661)]