51440840

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{116911}}^1$

素因数の和:116933

約数の個数: 32

約数和(自身を含む): 126264960

約数和(自身を除く): 74824120

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 116911, 233822, 467644, 584555, 935288, 1169110, 1286021, 2338220, 2572042, 4676440, 5144084, 6430105, 10288168, 12860210, 25720420, 51440840]

約数ペア:

[(1, 51440840), (2, 25720420), (4, 12860210), (5, 10288168), (8, 6430105), (10, 5144084), (11, 4676440), (20, 2572042), (22, 2338220), (40, 1286021), (44, 1169110), (55, 935288), (88, 584555), (110, 467644), (220, 233822), (440, 116911)]