25298020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{1949}}^1$

素因数の和:2028

約数の個数: 48

約数和(自身を含む): 58968000

約数和(自身を除く): 33669980

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 59, 110, 118, 220, 236, 295, 590, 649, 1180, 1298, 1949, 2596, 3245, 3898, 6490, 7796, 9745, 12980, 19490, 21439, 38980, 42878, 85756, 107195, 114991, 214390, 229982, 428780, 459964, 574955, 1149910, 1264901, 2299820, 2529802, 5059604, 6324505, 12649010, 25298020]

約数ペア:

[(1, 25298020), (2, 12649010), (4, 6324505), (5, 5059604), (10, 2529802), (11, 2299820), (20, 1264901), (22, 1149910), (44, 574955), (55, 459964), (59, 428780), (110, 229982), (118, 214390), (220, 114991), (236, 107195), (295, 85756), (590, 42878), (649, 38980), (1180, 21439), (1298, 19490), (1949, 12980), (2596, 9745), (3245, 7796), (3898, 6490)]