15209860

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{6977}}^1$

素因数の和:7095

約数の個数: 24

約数和(自身を含む): 32238360

約数和(自身を除く): 17028500

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 6977, 13954, 27908, 34885, 69770, 139540, 760493, 1520986, 3041972, 3802465, 7604930, 15209860]

約数ペア:

[(1, 15209860), (2, 7604930), (4, 3802465), (5, 3041972), (10, 1520986), (20, 760493), (109, 139540), (218, 69770), (436, 34885), (545, 27908), (1090, 13954), (2180, 6977)]