25259880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{210499}}^1$

素因数の和:210513

約数の個数: 32

約数和(自身を含む): 75780000

約数和(自身を除く): 50520120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 210499, 420998, 631497, 841996, 1052495, 1262994, 1683992, 2104990, 2525988, 3157485, 4209980, 5051976, 6314970, 8419960, 12629940, 25259880]

約数ペア:

[(1, 25259880), (2, 12629940), (3, 8419960), (4, 6314970), (5, 5051976), (6, 4209980), (8, 3157485), (10, 2525988), (12, 2104990), (15, 1683992), (20, 1262994), (24, 1052495), (30, 841996), (40, 631497), (60, 420998), (120, 210499)]