2007723920

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1320871}}^1$

素因数の和:1320903

約数の個数: 40

約数和(自身を含む): 4913643840

約数和(自身を除く): 2905919920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 1320871, 2641742, 5283484, 6604355, 10566968, 13208710, 21133936, 25096549, 26417420, 50193098, 52834840, 100386196, 105669680, 125482745, 200772392, 250965490, 401544784, 501930980, 1003861960, 2007723920]

約数ペア:

[(1, 2007723920), (2, 1003861960), (4, 501930980), (5, 401544784), (8, 250965490), (10, 200772392), (16, 125482745), (19, 105669680), (20, 100386196), (38, 52834840), (40, 50193098), (76, 26417420), (80, 25096549), (95, 21133936), (152, 13208710), (190, 10566968), (304, 6604355), (380, 5283484), (760, 2641742), (1520, 1320871)]