20130180325

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{2069}}^1\times {\mathrm{20483}}^1$

素因数の和:22581

約数の個数: 24

約数和(自身を含む): 26289165600

約数和(自身を除く): 6158985275

約数列:

[1, 5, 19, 25, 95, 475, 2069, 10345, 20483, 39311, 51725, 102415, 196555, 389177, 512075, 982775, 1945885, 9729425, 42379327, 211896635, 805207213, 1059483175, 4026036065, 20130180325]

約数ペア:

[(1, 20130180325), (5, 4026036065), (19, 1059483175), (25, 805207213), (95, 211896635), (475, 42379327), (2069, 9729425), (10345, 1945885), (20483, 982775), (39311, 512075), (51725, 389177), (102415, 196555)]