12880960

素因数分解:

$2^6\times 5^1\times {\mathrm{40253}}^1$

素因数の和:40270

約数の個数: 28

約数和(自身を含む): 30673548

約数和(自身を除く): 17792588

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 40253, 80506, 161012, 201265, 322024, 402530, 644048, 805060, 1288096, 1610120, 2576192, 3220240, 6440480, 12880960]

約数ペア:

[(1, 12880960), (2, 6440480), (4, 3220240), (5, 2576192), (8, 1610120), (10, 1288096), (16, 805060), (20, 644048), (32, 402530), (40, 322024), (64, 201265), (80, 161012), (160, 80506), (320, 40253)]