2867920

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{3259}}^1$

素因数の和:3283

約数の個数: 40

約数和(自身を含む): 7276320

約数和(自身を除く): 4408400

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 3259, 6518, 13036, 16295, 26072, 32590, 35849, 52144, 65180, 71698, 130360, 143396, 179245, 260720, 286792, 358490, 573584, 716980, 1433960, 2867920]

約数ペア:

[(1, 2867920), (2, 1433960), (4, 716980), (5, 573584), (8, 358490), (10, 286792), (11, 260720), (16, 179245), (20, 143396), (22, 130360), (40, 71698), (44, 65180), (55, 52144), (80, 35849), (88, 32590), (110, 26072), (176, 16295), (220, 13036), (440, 6518), (880, 3259)]