13871134520

素因数分解:

$2^3\times 5^1\times {\mathrm{7621}}^1\times {\mathrm{45503}}^1$

素因数の和:53135

約数の個数: 32

約数和(自身を含む): 31214833920

約数和(自身を除く): 17343699400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 7621, 15242, 30484, 38105, 45503, 60968, 76210, 91006, 152420, 182012, 227515, 304840, 364024, 455030, 910060, 1820120, 346778363, 693556726, 1387113452, 1733891815, 2774226904, 3467783630, 6935567260, 13871134520]

約数ペア:

[(1, 13871134520), (2, 6935567260), (4, 3467783630), (5, 2774226904), (8, 1733891815), (10, 1387113452), (20, 693556726), (40, 346778363), (7621, 1820120), (15242, 910060), (30484, 455030), (38105, 364024), (45503, 304840), (60968, 227515), (76210, 182012), (91006, 152420)]