25750540

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{21107}}^1$

素因数の和:21177

約数の個数: 24

約数和(自身を含む): 54965232

約数和(自身を除く): 29214692

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 21107, 42214, 84428, 105535, 211070, 422140, 1287527, 2575054, 5150108, 6437635, 12875270, 25750540]

約数ペア:

[(1, 25750540), (2, 12875270), (4, 6437635), (5, 5150108), (10, 2575054), (20, 1287527), (61, 422140), (122, 211070), (244, 105535), (305, 84428), (610, 42214), (1220, 21107)]