1869874960

素因数分解:

$2^4\times 5^1\times {\mathrm{1289}}^1\times {\mathrm{18133}}^1$

素因数の和:19435

約数の個数: 40

約数和(自身を含む): 4351071960

約数和(自身を除く): 2481197000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1289, 2578, 5156, 6445, 10312, 12890, 18133, 20624, 25780, 36266, 51560, 72532, 90665, 103120, 145064, 181330, 290128, 362660, 725320, 1450640, 23373437, 46746874, 93493748, 116867185, 186987496, 233734370, 373974992, 467468740, 934937480, 1869874960]

約数ペア:

[(1, 1869874960), (2, 934937480), (4, 467468740), (5, 373974992), (8, 233734370), (10, 186987496), (16, 116867185), (20, 93493748), (40, 46746874), (80, 23373437), (1289, 1450640), (2578, 725320), (5156, 362660), (6445, 290128), (10312, 181330), (12890, 145064), (18133, 103120), (20624, 90665), (25780, 72532), (36266, 51560)]