828782020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{80153}}^1$

素因数の和:80220

約数の個数: 48

約数和(自身を含む): 1939085568

約数和(自身を除く): 1110303548

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 47, 55, 94, 110, 188, 220, 235, 470, 517, 940, 1034, 2068, 2585, 5170, 10340, 80153, 160306, 320612, 400765, 801530, 881683, 1603060, 1763366, 3526732, 3767191, 4408415, 7534382, 8816830, 15068764, 17633660, 18835955, 37671910, 41439101, 75343820, 82878202, 165756404, 207195505, 414391010, 828782020]

約数ペア:

[(1, 828782020), (2, 414391010), (4, 207195505), (5, 165756404), (10, 82878202), (11, 75343820), (20, 41439101), (22, 37671910), (44, 18835955), (47, 17633660), (55, 15068764), (94, 8816830), (110, 7534382), (188, 4408415), (220, 3767191), (235, 3526732), (470, 1763366), (517, 1603060), (940, 881683), (1034, 801530), (2068, 400765), (2585, 320612), (5170, 160306), (10340, 80153)]