3971440

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{4513}}^1$

素因数の和:4537

約数の個数: 40

約数和(自身を含む): 10075248

約数和(自身を除く): 6103808

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 4513, 9026, 18052, 22565, 36104, 45130, 49643, 72208, 90260, 99286, 180520, 198572, 248215, 361040, 397144, 496430, 794288, 992860, 1985720, 3971440]

約数ペア:

[(1, 3971440), (2, 1985720), (4, 992860), (5, 794288), (8, 496430), (10, 397144), (11, 361040), (16, 248215), (20, 198572), (22, 180520), (40, 99286), (44, 90260), (55, 72208), (80, 49643), (88, 45130), (110, 36104), (176, 22565), (220, 18052), (440, 9026), (880, 4513)]