1340980160

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{322351}}^1$

素因数の和:322381

約数の個数: 56

約数和(自身を含む): 3438851136

約数和(自身を除く): 2097870976

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 130, 160, 208, 260, 320, 416, 520, 832, 1040, 2080, 4160, 322351, 644702, 1289404, 1611755, 2578808, 3223510, 4190563, 5157616, 6447020, 8381126, 10315232, 12894040, 16762252, 20630464, 20952815, 25788080, 33524504, 41905630, 51576160, 67049008, 83811260, 103152320, 134098016, 167622520, 268196032, 335245040, 670490080, 1340980160]

約数ペア:

[(1, 1340980160), (2, 670490080), (4, 335245040), (5, 268196032), (8, 167622520), (10, 134098016), (13, 103152320), (16, 83811260), (20, 67049008), (26, 51576160), (32, 41905630), (40, 33524504), (52, 25788080), (64, 20952815), (65, 20630464), (80, 16762252), (104, 12894040), (130, 10315232), (160, 8381126), (208, 6447020), (260, 5157616), (320, 4190563), (416, 3223510), (520, 2578808), (832, 1611755), (1040, 1289404), (2080, 644702), (4160, 322351)]