13820560

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{137}}^1$

素因数の和:260

約数の個数: 80

約数和(自身を含む): 35216496

約数和(自身を除く): 21395936

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 97, 104, 130, 137, 194, 208, 260, 274, 388, 485, 520, 548, 685, 776, 970, 1040, 1096, 1261, 1370, 1552, 1781, 1940, 2192, 2522, 2740, 3562, 3880, 5044, 5480, 6305, 7124, 7760, 8905, 10088, 10960, 12610, 13289, 14248, 17810, 20176, 25220, 26578, 28496, 35620, 50440, 53156, 66445, 71240, 100880, 106312, 132890, 142480, 172757, 212624, 265780, 345514, 531560, 691028, 863785, 1063120, 1382056, 1727570, 2764112, 3455140, 6910280, 13820560]

約数ペア:

[(1, 13820560), (2, 6910280), (4, 3455140), (5, 2764112), (8, 1727570), (10, 1382056), (13, 1063120), (16, 863785), (20, 691028), (26, 531560), (40, 345514), (52, 265780), (65, 212624), (80, 172757), (97, 142480), (104, 132890), (130, 106312), (137, 100880), (194, 71240), (208, 66445), (260, 53156), (274, 50440), (388, 35620), (485, 28496), (520, 26578), (548, 25220), (685, 20176), (776, 17810), (970, 14248), (1040, 13289), (1096, 12610), (1261, 10960), (1370, 10088), (1552, 8905), (1781, 7760), (1940, 7124), (2192, 6305), (2522, 5480), (2740, 5044), (3562, 3880)]