2199760

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{887}}^1$

素因数の和:931

約数の個数: 40

約数和(自身を含む): 5285376

約数和(自身を除く): 3085616

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 887, 1240, 1774, 2480, 3548, 4435, 7096, 8870, 14192, 17740, 27497, 35480, 54994, 70960, 109988, 137485, 219976, 274970, 439952, 549940, 1099880, 2199760]

約数ペア:

[(1, 2199760), (2, 1099880), (4, 549940), (5, 439952), (8, 274970), (10, 219976), (16, 137485), (20, 109988), (31, 70960), (40, 54994), (62, 35480), (80, 27497), (124, 17740), (155, 14192), (248, 8870), (310, 7096), (496, 4435), (620, 3548), (887, 2480), (1240, 1774)]