2017670960

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{813577}}^1$

素因数の和:813621

約数の個数: 40

約数和(自身を含む): 4842416256

約数和(自身を除く): 2824745296

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 813577, 1627154, 3254308, 4067885, 6508616, 8135770, 13017232, 16271540, 25220887, 32543080, 50441774, 65086160, 100883548, 126104435, 201767096, 252208870, 403534192, 504417740, 1008835480, 2017670960]

約数ペア:

[(1, 2017670960), (2, 1008835480), (4, 504417740), (5, 403534192), (8, 252208870), (10, 201767096), (16, 126104435), (20, 100883548), (31, 65086160), (40, 50441774), (62, 32543080), (80, 25220887), (124, 16271540), (155, 13017232), (248, 8135770), (310, 6508616), (496, 4067885), (620, 3254308), (1240, 1627154), (2480, 813577)]