65647660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{137}}^1$

素因数の和:275

約数の個数: 96

約数和(自身を含む): 159042240

約数和(自身を除く): 93394580

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 97, 130, 137, 190, 194, 247, 260, 274, 380, 388, 485, 494, 548, 685, 970, 988, 1235, 1261, 1370, 1781, 1843, 1940, 2470, 2522, 2603, 2740, 3562, 3686, 4940, 5044, 5206, 6305, 7124, 7372, 8905, 9215, 10412, 12610, 13015, 13289, 17810, 18430, 23959, 25220, 26030, 26578, 33839, 35620, 36860, 47918, 52060, 53156, 66445, 67678, 95836, 119795, 132890, 135356, 169195, 172757, 239590, 252491, 265780, 338390, 345514, 479180, 504982, 676780, 691028, 863785, 1009964, 1262455, 1727570, 2524910, 3282383, 3455140, 5049820, 6564766, 13129532, 16411915, 32823830, 65647660]

約数ペア:

[(1, 65647660), (2, 32823830), (4, 16411915), (5, 13129532), (10, 6564766), (13, 5049820), (19, 3455140), (20, 3282383), (26, 2524910), (38, 1727570), (52, 1262455), (65, 1009964), (76, 863785), (95, 691028), (97, 676780), (130, 504982), (137, 479180), (190, 345514), (194, 338390), (247, 265780), (260, 252491), (274, 239590), (380, 172757), (388, 169195), (485, 135356), (494, 132890), (548, 119795), (685, 95836), (970, 67678), (988, 66445), (1235, 53156), (1261, 52060), (1370, 47918), (1781, 36860), (1843, 35620), (1940, 33839), (2470, 26578), (2522, 26030), (2603, 25220), (2740, 23959), (3562, 18430), (3686, 17810), (4940, 13289), (5044, 13015), (5206, 12610), (6305, 10412), (7124, 9215), (7372, 8905)]