80640048

素因数分解:

$2^4\times 3^1\times {\mathrm{61}}^1\times {\mathrm{27541}}^1$

素因数の和:27613

約数の個数: 40

約数和(自身を含む): 211742896

約数和(自身を除く): 131102848

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 61, 122, 183, 244, 366, 488, 732, 976, 1464, 2928, 27541, 55082, 82623, 110164, 165246, 220328, 330492, 440656, 660984, 1321968, 1680001, 3360002, 5040003, 6720004, 10080006, 13440008, 20160012, 26880016, 40320024, 80640048]

約数ペア:

[(1, 80640048), (2, 40320024), (3, 26880016), (4, 20160012), (6, 13440008), (8, 10080006), (12, 6720004), (16, 5040003), (24, 3360002), (48, 1680001), (61, 1321968), (122, 660984), (183, 440656), (244, 330492), (366, 220328), (488, 165246), (732, 110164), (976, 82623), (1464, 55082), (2928, 27541)]