66565550

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{1709}}^1$

素因数の和:1781

約数の個数: 48

約数和(自身を含む): 133585200

約数和(自身を除く): 67019650

約数列:

[1, 2, 5, 10, 19, 25, 38, 41, 50, 82, 95, 190, 205, 410, 475, 779, 950, 1025, 1558, 1709, 2050, 3418, 3895, 7790, 8545, 17090, 19475, 32471, 38950, 42725, 64942, 70069, 85450, 140138, 162355, 324710, 350345, 700690, 811775, 1331311, 1623550, 1751725, 2662622, 3503450, 6656555, 13313110, 33282775, 66565550]

約数ペア:

[(1, 66565550), (2, 33282775), (5, 13313110), (10, 6656555), (19, 3503450), (25, 2662622), (38, 1751725), (41, 1623550), (50, 1331311), (82, 811775), (95, 700690), (190, 350345), (205, 324710), (410, 162355), (475, 140138), (779, 85450), (950, 70069), (1025, 64942), (1558, 42725), (1709, 38950), (2050, 32471), (3418, 19475), (3895, 17090), (7790, 8545)]