51918460

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{409}}^1\times {\mathrm{577}}^1$

素因数の和:1006

約数の個数: 48

約数和(自身を含む): 119437920

約数和(自身を除く): 67519460

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 409, 577, 818, 1154, 1636, 2045, 2308, 2885, 4090, 4499, 5770, 6347, 8180, 8998, 11540, 12694, 17996, 22495, 25388, 31735, 44990, 63470, 89980, 126940, 235993, 471986, 943972, 1179965, 2359930, 2595923, 4719860, 5191846, 10383692, 12979615, 25959230, 51918460]

約数ペア:

[(1, 51918460), (2, 25959230), (4, 12979615), (5, 10383692), (10, 5191846), (11, 4719860), (20, 2595923), (22, 2359930), (44, 1179965), (55, 943972), (110, 471986), (220, 235993), (409, 126940), (577, 89980), (818, 63470), (1154, 44990), (1636, 31735), (2045, 25388), (2308, 22495), (2885, 17996), (4090, 12694), (4499, 11540), (5770, 8998), (6347, 8180)]