12959980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{58909}}^1$

素因数の和:58929

約数の個数: 24

約数和(自身を含む): 29690640

約数和(自身を除く): 16730660

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 58909, 117818, 235636, 294545, 589090, 647999, 1178180, 1295998, 2591996, 3239995, 6479990, 12959980]

約数ペア:

[(1, 12959980), (2, 6479990), (4, 3239995), (5, 2591996), (10, 1295998), (11, 1178180), (20, 647999), (22, 589090), (44, 294545), (55, 235636), (110, 117818), (220, 58909)]