51799760

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{20887}}^1$

素因数の和:20931

約数の個数: 40

約数和(自身を含む): 124325376

約数和(自身を除く): 72525616

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 20887, 41774, 83548, 104435, 167096, 208870, 334192, 417740, 647497, 835480, 1294994, 1670960, 2589988, 3237485, 5179976, 6474970, 10359952, 12949940, 25899880, 51799760]

約数ペア:

[(1, 51799760), (2, 25899880), (4, 12949940), (5, 10359952), (8, 6474970), (10, 5179976), (16, 3237485), (20, 2589988), (31, 1670960), (40, 1294994), (62, 835480), (80, 647497), (124, 417740), (155, 334192), (248, 208870), (310, 167096), (496, 104435), (620, 83548), (1240, 41774), (2480, 20887)]