28117720

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{36997}}^1$

素因数の和:37027

約数の個数: 32

約数和(自身を含む): 66596400

約数和(自身を除く): 38478680

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 36997, 73994, 147988, 184985, 295976, 369970, 702943, 739940, 1405886, 1479880, 2811772, 3514715, 5623544, 7029430, 14058860, 28117720]

約数ペア:

[(1, 28117720), (2, 14058860), (4, 7029430), (5, 5623544), (8, 3514715), (10, 2811772), (19, 1479880), (20, 1405886), (38, 739940), (40, 702943), (76, 369970), (95, 295976), (152, 184985), (190, 147988), (380, 73994), (760, 36997)]