1099880

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{887}}^1$

素因数の和:929

約数の個数: 32

約数和(自身を含む): 2557440

約数和(自身を除く): 1457560

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 887, 1240, 1774, 3548, 4435, 7096, 8870, 17740, 27497, 35480, 54994, 109988, 137485, 219976, 274970, 549940, 1099880]

約数ペア:

[(1, 1099880), (2, 549940), (4, 274970), (5, 219976), (8, 137485), (10, 109988), (20, 54994), (31, 35480), (40, 27497), (62, 17740), (124, 8870), (155, 7096), (248, 4435), (310, 3548), (620, 1774), (887, 1240)]