13199780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{59999}}^1$

素因数の和:60019

約数の個数: 24

約数和(自身を含む): 30240000

約数和(自身を除く): 17040220

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 59999, 119998, 239996, 299995, 599990, 659989, 1199980, 1319978, 2639956, 3299945, 6599890, 13199780]

約数ペア:

[(1, 13199780), (2, 6599890), (4, 3299945), (5, 2639956), (10, 1319978), (11, 1199980), (20, 659989), (22, 599990), (44, 299995), (55, 239996), (110, 119998), (220, 59999)]