87357880

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{53267}}^1$

素因数の和:53319

約数の個数: 32

約数和(自身を含む): 201353040

約数和(自身を除く): 113995160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 53267, 106534, 213068, 266335, 426136, 532670, 1065340, 2130680, 2183947, 4367894, 8735788, 10919735, 17471576, 21839470, 43678940, 87357880]

約数ペア:

[(1, 87357880), (2, 43678940), (4, 21839470), (5, 17471576), (8, 10919735), (10, 8735788), (20, 4367894), (40, 2183947), (41, 2130680), (82, 1065340), (164, 532670), (205, 426136), (328, 266335), (410, 213068), (820, 106534), (1640, 53267)]