13781680

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{15661}}^1$

素因数の和:15685

約数の個数: 40

約数和(自身を含む): 34957584

約数和(自身を除く): 21175904

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 15661, 31322, 62644, 78305, 125288, 156610, 172271, 250576, 313220, 344542, 626440, 689084, 861355, 1252880, 1378168, 1722710, 2756336, 3445420, 6890840, 13781680]

約数ペア:

[(1, 13781680), (2, 6890840), (4, 3445420), (5, 2756336), (8, 1722710), (10, 1378168), (11, 1252880), (16, 861355), (20, 689084), (22, 626440), (40, 344542), (44, 313220), (55, 250576), (80, 172271), (88, 156610), (110, 125288), (176, 78305), (220, 62644), (440, 31322), (880, 15661)]