49135420

素因数分解:

$2^2\times 5^1\times {\mathrm{1229}}^1\times {\mathrm{1999}}^1$

素因数の和:3237

約数の個数: 24

約数和(自身を含む): 103320000

約数和(自身を除く): 54184580

約数列:

[1, 2, 4, 5, 10, 20, 1229, 1999, 2458, 3998, 4916, 6145, 7996, 9995, 12290, 19990, 24580, 39980, 2456771, 4913542, 9827084, 12283855, 24567710, 49135420]

約数ペア:

[(1, 49135420), (2, 24567710), (4, 12283855), (5, 9827084), (10, 4913542), (20, 2456771), (1229, 39980), (1999, 24580), (2458, 19990), (3998, 12290), (4916, 9995), (6145, 7996)]