77257520

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{56807}}^1$

素因数の和:56837

約数の個数: 40

約数和(自身を含む): 190193184

約数和(自身を除く): 112935664

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 56807, 113614, 227228, 284035, 454456, 568070, 908912, 965719, 1136140, 1931438, 2272280, 3862876, 4544560, 4828595, 7725752, 9657190, 15451504, 19314380, 38628760, 77257520]

約数ペア:

[(1, 77257520), (2, 38628760), (4, 19314380), (5, 15451504), (8, 9657190), (10, 7725752), (16, 4828595), (17, 4544560), (20, 3862876), (34, 2272280), (40, 1931438), (68, 1136140), (80, 965719), (85, 908912), (136, 568070), (170, 454456), (272, 284035), (340, 227228), (680, 113614), (1360, 56807)]