12447680

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{5557}}^1$

素因数の和:5581

約数の個数: 56

約数和(自身を含む): 33881568

約数和(自身を除く): 21433888

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 224, 280, 320, 448, 560, 1120, 2240, 5557, 11114, 22228, 27785, 38899, 44456, 55570, 77798, 88912, 111140, 155596, 177824, 194495, 222280, 311192, 355648, 388990, 444560, 622384, 777980, 889120, 1244768, 1555960, 1778240, 2489536, 3111920, 6223840, 12447680]

約数ペア:

[(1, 12447680), (2, 6223840), (4, 3111920), (5, 2489536), (7, 1778240), (8, 1555960), (10, 1244768), (14, 889120), (16, 777980), (20, 622384), (28, 444560), (32, 388990), (35, 355648), (40, 311192), (56, 222280), (64, 194495), (70, 177824), (80, 155596), (112, 111140), (140, 88912), (160, 77798), (224, 55570), (280, 44456), (320, 38899), (448, 27785), (560, 22228), (1120, 11114), (2240, 5557)]