12459020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{88993}}^1$

素因数の和:89009

約数の個数: 24

約数和(自身を含む): 29901984

約数和(自身を除く): 17442964

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 88993, 177986, 355972, 444965, 622951, 889930, 1245902, 1779860, 2491804, 3114755, 6229510, 12459020]

約数ペア:

[(1, 12459020), (2, 6229510), (4, 3114755), (5, 2491804), (7, 1779860), (10, 1245902), (14, 889930), (20, 622951), (28, 444965), (35, 355972), (70, 177986), (140, 88993)]