172319020

素因数分解:

$2^2\times 5^1\times {\mathrm{313}}^1\times {\mathrm{27527}}^1$

素因数の和:27849

約数の個数: 24

約数和(自身を含む): 363039264

約数和(自身を除く): 190720244

約数列:

[1, 2, 4, 5, 10, 20, 313, 626, 1252, 1565, 3130, 6260, 27527, 55054, 110108, 137635, 275270, 550540, 8615951, 17231902, 34463804, 43079755, 86159510, 172319020]

約数ペア:

[(1, 172319020), (2, 86159510), (4, 43079755), (5, 34463804), (10, 17231902), (20, 8615951), (313, 550540), (626, 275270), (1252, 137635), (1565, 110108), (3130, 55054), (6260, 27527)]