25857880

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{15767}}^1$

素因数の和:15819

約数の個数: 32

約数和(自身を含む): 59603040

約数和(自身を除く): 33745160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 15767, 31534, 63068, 78835, 126136, 157670, 315340, 630680, 646447, 1292894, 2585788, 3232235, 5171576, 6464470, 12928940, 25857880]

約数ペア:

[(1, 25857880), (2, 12928940), (4, 6464470), (5, 5171576), (8, 3232235), (10, 2585788), (20, 1292894), (40, 646447), (41, 630680), (82, 315340), (164, 157670), (205, 126136), (328, 78835), (410, 63068), (820, 31534), (1640, 15767)]