67970960

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{19759}}^1$

素因数の和:19815

約数の個数: 40

約数和(自身を含む): 161715840

約数和(自身を除く): 93744880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440, 19759, 39518, 79036, 98795, 158072, 197590, 316144, 395180, 790360, 849637, 1580720, 1699274, 3398548, 4248185, 6797096, 8496370, 13594192, 16992740, 33985480, 67970960]

約数ペア:

[(1, 67970960), (2, 33985480), (4, 16992740), (5, 13594192), (8, 8496370), (10, 6797096), (16, 4248185), (20, 3398548), (40, 1699274), (43, 1580720), (80, 849637), (86, 790360), (172, 395180), (215, 316144), (344, 197590), (430, 158072), (688, 98795), (860, 79036), (1720, 39518), (3440, 19759)]