8896180

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{571}}^1$

素因数の和:640

約数の個数: 48

約数和(自身を含む): 20180160

約数和(自身を除く): 11283980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 41, 76, 82, 95, 164, 190, 205, 380, 410, 571, 779, 820, 1142, 1558, 2284, 2855, 3116, 3895, 5710, 7790, 10849, 11420, 15580, 21698, 23411, 43396, 46822, 54245, 93644, 108490, 117055, 216980, 234110, 444809, 468220, 889618, 1779236, 2224045, 4448090, 8896180]

約数ペア:

[(1, 8896180), (2, 4448090), (4, 2224045), (5, 1779236), (10, 889618), (19, 468220), (20, 444809), (38, 234110), (41, 216980), (76, 117055), (82, 108490), (95, 93644), (164, 54245), (190, 46822), (205, 43396), (380, 23411), (410, 21698), (571, 15580), (779, 11420), (820, 10849), (1142, 7790), (1558, 5710), (2284, 3895), (2855, 3116)]