51849980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{919}}^1$

素因数の和:979

約数の個数: 96

約数和(自身を含む): 138485760

約数和(自身を除く): 86635780

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, 910, 919, 1085, 1612, 1820, 1838, 2015, 2170, 2821, 3676, 4030, 4340, 4595, 5642, 6433, 8060, 9190, 11284, 11947, 12866, 14105, 18380, 23894, 25732, 28210, 28489, 32165, 47788, 56420, 56978, 59735, 64330, 83629, 113956, 119470, 128660, 142445, 167258, 199423, 238940, 284890, 334516, 370357, 398846, 418145, 569780, 740714, 797692, 836290, 997115, 1481428, 1672580, 1851785, 1994230, 2592499, 3703570, 3988460, 5184998, 7407140, 10369996, 12962495, 25924990, 51849980]

約数ペア:

[(1, 51849980), (2, 25924990), (4, 12962495), (5, 10369996), (7, 7407140), (10, 5184998), (13, 3988460), (14, 3703570), (20, 2592499), (26, 1994230), (28, 1851785), (31, 1672580), (35, 1481428), (52, 997115), (62, 836290), (65, 797692), (70, 740714), (91, 569780), (124, 418145), (130, 398846), (140, 370357), (155, 334516), (182, 284890), (217, 238940), (260, 199423), (310, 167258), (364, 142445), (403, 128660), (434, 119470), (455, 113956), (620, 83629), (806, 64330), (868, 59735), (910, 56978), (919, 56420), (1085, 47788), (1612, 32165), (1820, 28489), (1838, 28210), (2015, 25732), (2170, 23894), (2821, 18380), (3676, 14105), (4030, 12866), (4340, 11947), (4595, 11284), (5642, 9190), (6433, 8060)]