2649272840

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{1249657}}^1$

素因数の和:1249721

約数の個数: 32

約数和(自身を含む): 6073337880

約数和(自身を除く): 3424065040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 1249657, 2499314, 4998628, 6248285, 9997256, 12496570, 24993140, 49986280, 66231821, 132463642, 264927284, 331159105, 529854568, 662318210, 1324636420, 2649272840]

約数ペア:

[(1, 2649272840), (2, 1324636420), (4, 662318210), (5, 529854568), (8, 331159105), (10, 264927284), (20, 132463642), (40, 66231821), (53, 49986280), (106, 24993140), (212, 12496570), (265, 9997256), (424, 6248285), (530, 4998628), (1060, 2499314), (2120, 1249657)]