15404440

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{20269}}^1$

素因数の和:20299

約数の個数: 32

約数和(自身を含む): 36486000

約数和(自身を除く): 21081560

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 20269, 40538, 81076, 101345, 162152, 202690, 385111, 405380, 770222, 810760, 1540444, 1925555, 3080888, 3851110, 7702220, 15404440]

約数ペア:

[(1, 15404440), (2, 7702220), (4, 3851110), (5, 3080888), (8, 1925555), (10, 1540444), (19, 810760), (20, 770222), (38, 405380), (40, 385111), (76, 202690), (95, 162152), (152, 101345), (190, 81076), (380, 40538), (760, 20269)]