25099683880

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{1999}}^1\times {\mathrm{3527}}^1$

素因数の和:5626

約数の個数: 64

約数和(自身を含む): 57153600000

約数和(自身を除く): 32053916120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1780, 1999, 3527, 3560, 3998, 7054, 7996, 9995, 14108, 15992, 17635, 19990, 28216, 35270, 39980, 70540, 79960, 141080, 177911, 313903, 355822, 627806, 711644, 889555, 1255612, 1423288, 1569515, 1779110, 2511224, 3139030, 3558220, 6278060, 7050473, 7116440, 12556120, 14100946, 28201892, 35252365, 56403784, 70504730, 141009460, 282018920, 627492097, 1254984194, 2509968388, 3137460485, 5019936776, 6274920970, 12549841940, 25099683880]

約数ペア:

[(1, 25099683880), (2, 12549841940), (4, 6274920970), (5, 5019936776), (8, 3137460485), (10, 2509968388), (20, 1254984194), (40, 627492097), (89, 282018920), (178, 141009460), (356, 70504730), (445, 56403784), (712, 35252365), (890, 28201892), (1780, 14100946), (1999, 12556120), (3527, 7116440), (3560, 7050473), (3998, 6278060), (7054, 3558220), (7996, 3139030), (9995, 2511224), (14108, 1779110), (15992, 1569515), (17635, 1423288), (19990, 1255612), (28216, 889555), (35270, 711644), (39980, 627806), (70540, 355822), (79960, 313903), (141080, 177911)]