4036640

素因数分解:

$2^5\times 5^1\times {\mathrm{25229}}^1$

素因数の和:25244

約数の個数: 24

約数和(自身を含む): 9536940

約数和(自身を除く): 5500300

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 25229, 50458, 100916, 126145, 201832, 252290, 403664, 504580, 807328, 1009160, 2018320, 4036640]

約数ペア:

[(1, 4036640), (2, 2018320), (4, 1009160), (5, 807328), (8, 504580), (10, 403664), (16, 252290), (20, 201832), (32, 126145), (40, 100916), (80, 50458), (160, 25229)]