26399560

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{59999}}^1$

素因数の和:60021

約数の個数: 32

約数和(自身を含む): 64800000

約数和(自身を除く): 38400440

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 59999, 119998, 239996, 299995, 479992, 599990, 659989, 1199980, 1319978, 2399960, 2639956, 3299945, 5279912, 6599890, 13199780, 26399560]

約数ペア:

[(1, 26399560), (2, 13199780), (4, 6599890), (5, 5279912), (8, 3299945), (10, 2639956), (11, 2399960), (20, 1319978), (22, 1199980), (40, 659989), (44, 599990), (55, 479992), (88, 299995), (110, 239996), (220, 119998), (440, 59999)]