49495240

素因数分解:

$2^3\times 5^1\times {\mathrm{619}}^1\times {\mathrm{1999}}^1$

素因数の和:2629

約数の個数: 32

約数和(自身を含む): 111600000

約数和(自身を除く): 62104760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 619, 1238, 1999, 2476, 3095, 3998, 4952, 6190, 7996, 9995, 12380, 15992, 19990, 24760, 39980, 79960, 1237381, 2474762, 4949524, 6186905, 9899048, 12373810, 24747620, 49495240]

約数ペア:

[(1, 49495240), (2, 24747620), (4, 12373810), (5, 9899048), (8, 6186905), (10, 4949524), (20, 2474762), (40, 1237381), (619, 79960), (1238, 39980), (1999, 24760), (2476, 19990), (3095, 15992), (3998, 12380), (4952, 9995), (6190, 7996)]