89729920

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{20029}}^1$

素因数の和:20055

約数の個数: 64

約数和(自身を含む): 245167200

約数和(自身を除く): 155437280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 280, 320, 448, 560, 640, 896, 1120, 2240, 4480, 20029, 40058, 80116, 100145, 140203, 160232, 200290, 280406, 320464, 400580, 560812, 640928, 701015, 801160, 1121624, 1281856, 1402030, 1602320, 2243248, 2563712, 2804060, 3204640, 4486496, 5608120, 6409280, 8972992, 11216240, 12818560, 17945984, 22432480, 44864960, 89729920]

約数ペア:

[(1, 89729920), (2, 44864960), (4, 22432480), (5, 17945984), (7, 12818560), (8, 11216240), (10, 8972992), (14, 6409280), (16, 5608120), (20, 4486496), (28, 3204640), (32, 2804060), (35, 2563712), (40, 2243248), (56, 1602320), (64, 1402030), (70, 1281856), (80, 1121624), (112, 801160), (128, 701015), (140, 640928), (160, 560812), (224, 400580), (280, 320464), (320, 280406), (448, 200290), (560, 160232), (640, 140203), (896, 100145), (1120, 80116), (2240, 40058), (4480, 20029)]