42640840

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{96911}}^1$

素因数の和:96933

約数の個数: 32

約数和(自身を含む): 104664960

約数和(自身を除く): 62024120

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 96911, 193822, 387644, 484555, 775288, 969110, 1066021, 1938220, 2132042, 3876440, 4264084, 5330105, 8528168, 10660210, 21320420, 42640840]

約数ペア:

[(1, 42640840), (2, 21320420), (4, 10660210), (5, 8528168), (8, 5330105), (10, 4264084), (11, 3876440), (20, 2132042), (22, 1938220), (40, 1066021), (44, 969110), (55, 775288), (88, 484555), (110, 387644), (220, 193822), (440, 96911)]