12259880

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{9887}}^1$

素因数の和:9929

約数の個数: 32

約数和(自身を含む): 28477440

約数和(自身を除く): 16217560

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 9887, 19774, 39548, 49435, 79096, 98870, 197740, 306497, 395480, 612994, 1225988, 1532485, 2451976, 3064970, 6129940, 12259880]

約数ペア:

[(1, 12259880), (2, 6129940), (4, 3064970), (5, 2451976), (8, 1532485), (10, 1225988), (20, 612994), (31, 395480), (40, 306497), (62, 197740), (124, 98870), (155, 79096), (248, 49435), (310, 39548), (620, 19774), (1240, 9887)]