2079221840

素因数分解:

$2^4\times 5^1\times {\mathrm{25990273}}^1$

素因数の和:25990286

約数の個数: 20

約数和(自身を含む): 4834190964

約数和(自身を除く): 2754969124

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 25990273, 51980546, 103961092, 129951365, 207922184, 259902730, 415844368, 519805460, 1039610920, 2079221840]

約数ペア:

[(1, 2079221840), (2, 1039610920), (4, 519805460), (5, 415844368), (8, 259902730), (10, 207922184), (16, 129951365), (20, 103961092), (40, 51980546), (80, 25990273)]