38986720

素因数分解:

$2^5\times 5^1\times {\mathrm{139}}^1\times {\mathrm{1753}}^1$

素因数の和:1907

約数の個数: 48

約数和(自身を含む): 92821680

約数和(自身を除く): 53834960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 139, 160, 278, 556, 695, 1112, 1390, 1753, 2224, 2780, 3506, 4448, 5560, 7012, 8765, 11120, 14024, 17530, 22240, 28048, 35060, 56096, 70120, 140240, 243667, 280480, 487334, 974668, 1218335, 1949336, 2436670, 3898672, 4873340, 7797344, 9746680, 19493360, 38986720]

約数ペア:

[(1, 38986720), (2, 19493360), (4, 9746680), (5, 7797344), (8, 4873340), (10, 3898672), (16, 2436670), (20, 1949336), (32, 1218335), (40, 974668), (80, 487334), (139, 280480), (160, 243667), (278, 140240), (556, 70120), (695, 56096), (1112, 35060), (1390, 28048), (1753, 22240), (2224, 17530), (2780, 14024), (3506, 11120), (4448, 8765), (5560, 7012)]