51172940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{907}}^1$

素因数の和:967

約数の個数: 96

約数和(自身を含む): 136679424

約数和(自身を除く): 85506484

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 31, 35, 52, 62, 65, 70, 91, 124, 130, 140, 155, 182, 217, 260, 310, 364, 403, 434, 455, 620, 806, 868, 907, 910, 1085, 1612, 1814, 1820, 2015, 2170, 2821, 3628, 4030, 4340, 4535, 5642, 6349, 8060, 9070, 11284, 11791, 12698, 14105, 18140, 23582, 25396, 28117, 28210, 31745, 47164, 56234, 56420, 58955, 63490, 82537, 112468, 117910, 126980, 140585, 165074, 196819, 235820, 281170, 330148, 365521, 393638, 412685, 562340, 731042, 787276, 825370, 984095, 1462084, 1650740, 1827605, 1968190, 2558647, 3655210, 3936380, 5117294, 7310420, 10234588, 12793235, 25586470, 51172940]

約数ペア:

[(1, 51172940), (2, 25586470), (4, 12793235), (5, 10234588), (7, 7310420), (10, 5117294), (13, 3936380), (14, 3655210), (20, 2558647), (26, 1968190), (28, 1827605), (31, 1650740), (35, 1462084), (52, 984095), (62, 825370), (65, 787276), (70, 731042), (91, 562340), (124, 412685), (130, 393638), (140, 365521), (155, 330148), (182, 281170), (217, 235820), (260, 196819), (310, 165074), (364, 140585), (403, 126980), (434, 117910), (455, 112468), (620, 82537), (806, 63490), (868, 58955), (907, 56420), (910, 56234), (1085, 47164), (1612, 31745), (1814, 28210), (1820, 28117), (2015, 25396), (2170, 23582), (2821, 18140), (3628, 14105), (4030, 12698), (4340, 11791), (4535, 11284), (5642, 9070), (6349, 8060)]