861040

素因数分解:

$2^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{229}}^1$

素因数の和:289

約数の個数: 40

約数和(自身を含む): 2053440

約数和(自身を除く): 1192400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 47, 80, 94, 188, 229, 235, 376, 458, 470, 752, 916, 940, 1145, 1832, 1880, 2290, 3664, 3760, 4580, 9160, 10763, 18320, 21526, 43052, 53815, 86104, 107630, 172208, 215260, 430520, 861040]

約数ペア:

[(1, 861040), (2, 430520), (4, 215260), (5, 172208), (8, 107630), (10, 86104), (16, 53815), (20, 43052), (40, 21526), (47, 18320), (80, 10763), (94, 9160), (188, 4580), (229, 3760), (235, 3664), (376, 2290), (458, 1880), (470, 1832), (752, 1145), (916, 940)]