204564280

素因数分解:

$2^3\times 5^1\times {\mathrm{313}}^1\times {\mathrm{16339}}^1$

素因数の和:16663

約数の個数: 32

約数和(自身を含む): 461768400

約数和(自身を除く): 257204120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 313, 626, 1252, 1565, 2504, 3130, 6260, 12520, 16339, 32678, 65356, 81695, 130712, 163390, 326780, 653560, 5114107, 10228214, 20456428, 25570535, 40912856, 51141070, 102282140, 204564280]

約数ペア:

[(1, 204564280), (2, 102282140), (4, 51141070), (5, 40912856), (8, 25570535), (10, 20456428), (20, 10228214), (40, 5114107), (313, 653560), (626, 326780), (1252, 163390), (1565, 130712), (2504, 81695), (3130, 65356), (6260, 32678), (12520, 16339)]