49709680

素因数分解:

$2^4\times 5^1\times {\mathrm{621371}}^1$

素因数の和:621384

約数の個数: 20

約数和(自身を含む): 115575192

約数和(自身を除く): 65865512

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 621371, 1242742, 2485484, 3106855, 4970968, 6213710, 9941936, 12427420, 24854840, 49709680]

約数ペア:

[(1, 49709680), (2, 24854840), (4, 12427420), (5, 9941936), (8, 6213710), (10, 4970968), (16, 3106855), (20, 2485484), (40, 1242742), (80, 621371)]