49815640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{177913}}^1$

素因数の和:177931

約数の個数: 32

約数和(自身を含む): 128098080

約数和(自身を除く): 78282440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 177913, 355826, 711652, 889565, 1245391, 1423304, 1779130, 2490782, 3558260, 4981564, 6226955, 7116520, 9963128, 12453910, 24907820, 49815640]

約数ペア:

[(1, 49815640), (2, 24907820), (4, 12453910), (5, 9963128), (7, 7116520), (8, 6226955), (10, 4981564), (14, 3558260), (20, 2490782), (28, 1779130), (35, 1423304), (40, 1245391), (56, 889565), (70, 711652), (140, 355826), (280, 177913)]