205188040

素因数分解:

$2^3\times 5^1\times {\mathrm{347}}^1\times {\mathrm{14783}}^1$

素因数の和:15141

約数の個数: 32

約数和(自身を含む): 463034880

約数和(自身を除く): 257846840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 347, 694, 1388, 1735, 2776, 3470, 6940, 13880, 14783, 29566, 59132, 73915, 118264, 147830, 295660, 591320, 5129701, 10259402, 20518804, 25648505, 41037608, 51297010, 102594020, 205188040]

約数ペア:

[(1, 205188040), (2, 102594020), (4, 51297010), (5, 41037608), (8, 25648505), (10, 20518804), (20, 10259402), (40, 5129701), (347, 591320), (694, 295660), (1388, 147830), (1735, 118264), (2776, 73915), (3470, 59132), (6940, 29566), (13880, 14783)]