54090640

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{107}}^1$

素因数の和:280

約数の個数: 80

約数和(自身を含む): 130170240

約数和(自身を除く): 76079600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 89, 107, 142, 178, 214, 284, 355, 356, 428, 445, 535, 568, 710, 712, 856, 890, 1070, 1136, 1420, 1424, 1712, 1780, 2140, 2840, 3560, 4280, 5680, 6319, 7120, 7597, 8560, 9523, 12638, 15194, 19046, 25276, 30388, 31595, 37985, 38092, 47615, 50552, 60776, 63190, 75970, 76184, 95230, 101104, 121552, 126380, 151940, 152368, 190460, 252760, 303880, 380920, 505520, 607760, 676133, 761840, 1352266, 2704532, 3380665, 5409064, 6761330, 10818128, 13522660, 27045320, 54090640]

約数ペア:

[(1, 54090640), (2, 27045320), (4, 13522660), (5, 10818128), (8, 6761330), (10, 5409064), (16, 3380665), (20, 2704532), (40, 1352266), (71, 761840), (80, 676133), (89, 607760), (107, 505520), (142, 380920), (178, 303880), (214, 252760), (284, 190460), (355, 152368), (356, 151940), (428, 126380), (445, 121552), (535, 101104), (568, 95230), (710, 76184), (712, 75970), (856, 63190), (890, 60776), (1070, 50552), (1136, 47615), (1420, 38092), (1424, 37985), (1712, 31595), (1780, 30388), (2140, 25276), (2840, 19046), (3560, 15194), (4280, 12638), (5680, 9523), (6319, 8560), (7120, 7597)]