26460980

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1$

素因数の和:134

約数の個数: 144

約数和(自身を含む): 72930816

約数和(自身を除く): 46469836

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 31, 35, 49, 52, 62, 65, 67, 70, 91, 98, 124, 130, 134, 140, 155, 182, 196, 217, 245, 260, 268, 310, 335, 364, 403, 434, 455, 469, 490, 620, 637, 670, 806, 868, 871, 910, 938, 980, 1085, 1274, 1340, 1519, 1612, 1742, 1820, 1876, 2015, 2077, 2170, 2345, 2548, 2821, 3038, 3185, 3283, 3484, 4030, 4154, 4340, 4355, 4690, 5642, 6076, 6097, 6370, 6566, 7595, 8060, 8308, 8710, 9380, 10385, 11284, 12194, 12740, 13132, 14105, 14539, 15190, 16415, 17420, 19747, 20770, 24388, 27001, 28210, 29078, 30380, 30485, 32830, 39494, 41540, 42679, 54002, 56420, 58156, 60970, 65660, 72695, 78988, 85358, 98735, 101773, 108004, 121940, 135005, 145390, 170716, 189007, 197470, 203546, 213395, 270010, 290780, 378014, 394940, 407092, 426790, 508865, 540020, 756028, 853580, 945035, 1017730, 1323049, 1890070, 2035460, 2646098, 3780140, 5292196, 6615245, 13230490, 26460980]

約数ペア:

[(1, 26460980), (2, 13230490), (4, 6615245), (5, 5292196), (7, 3780140), (10, 2646098), (13, 2035460), (14, 1890070), (20, 1323049), (26, 1017730), (28, 945035), (31, 853580), (35, 756028), (49, 540020), (52, 508865), (62, 426790), (65, 407092), (67, 394940), (70, 378014), (91, 290780), (98, 270010), (124, 213395), (130, 203546), (134, 197470), (140, 189007), (155, 170716), (182, 145390), (196, 135005), (217, 121940), (245, 108004), (260, 101773), (268, 98735), (310, 85358), (335, 78988), (364, 72695), (403, 65660), (434, 60970), (455, 58156), (469, 56420), (490, 54002), (620, 42679), (637, 41540), (670, 39494), (806, 32830), (868, 30485), (871, 30380), (910, 29078), (938, 28210), (980, 27001), (1085, 24388), (1274, 20770), (1340, 19747), (1519, 17420), (1612, 16415), (1742, 15190), (1820, 14539), (1876, 14105), (2015, 13132), (2077, 12740), (2170, 12194), (2345, 11284), (2548, 10385), (2821, 9380), (3038, 8710), (3185, 8308), (3283, 8060), (3484, 7595), (4030, 6566), (4154, 6370), (4340, 6097), (4355, 6076), (4690, 5642)]