25961880

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{997}}^1$

素因数の和:1049

約数の個数: 128

約数和(自身を含む): 91975680

約数和(自身を除く): 66013800

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 31, 35, 40, 42, 56, 60, 62, 70, 84, 93, 105, 120, 124, 140, 155, 168, 186, 210, 217, 248, 280, 310, 372, 420, 434, 465, 620, 651, 744, 840, 868, 930, 997, 1085, 1240, 1302, 1736, 1860, 1994, 2170, 2604, 2991, 3255, 3720, 3988, 4340, 4985, 5208, 5982, 6510, 6979, 7976, 8680, 9970, 11964, 13020, 13958, 14955, 19940, 20937, 23928, 26040, 27916, 29910, 30907, 34895, 39880, 41874, 55832, 59820, 61814, 69790, 83748, 92721, 104685, 119640, 123628, 139580, 154535, 167496, 185442, 209370, 216349, 247256, 279160, 309070, 370884, 418740, 432698, 463605, 618140, 649047, 741768, 837480, 865396, 927210, 1081745, 1236280, 1298094, 1730792, 1854420, 2163490, 2596188, 3245235, 3708840, 4326980, 5192376, 6490470, 8653960, 12980940, 25961880]

約数ペア:

[(1, 25961880), (2, 12980940), (3, 8653960), (4, 6490470), (5, 5192376), (6, 4326980), (7, 3708840), (8, 3245235), (10, 2596188), (12, 2163490), (14, 1854420), (15, 1730792), (20, 1298094), (21, 1236280), (24, 1081745), (28, 927210), (30, 865396), (31, 837480), (35, 741768), (40, 649047), (42, 618140), (56, 463605), (60, 432698), (62, 418740), (70, 370884), (84, 309070), (93, 279160), (105, 247256), (120, 216349), (124, 209370), (140, 185442), (155, 167496), (168, 154535), (186, 139580), (210, 123628), (217, 119640), (248, 104685), (280, 92721), (310, 83748), (372, 69790), (420, 61814), (434, 59820), (465, 55832), (620, 41874), (651, 39880), (744, 34895), (840, 30907), (868, 29910), (930, 27916), (997, 26040), (1085, 23928), (1240, 20937), (1302, 19940), (1736, 14955), (1860, 13958), (1994, 13020), (2170, 11964), (2604, 9970), (2991, 8680), (3255, 7976), (3720, 6979), (3988, 6510), (4340, 5982), (4985, 5208)]