56864860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{218711}}^1$

素因数の和:218733

約数の個数: 24

約数和(自身を含む): 128602656

約数和(自身を除く): 71737796

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 218711, 437422, 874844, 1093555, 2187110, 2843243, 4374220, 5686486, 11372972, 14216215, 28432430, 56864860]

約数ペア:

[(1, 56864860), (2, 28432430), (4, 14216215), (5, 11372972), (10, 5686486), (13, 4374220), (20, 2843243), (26, 2187110), (52, 1093555), (65, 874844), (130, 437422), (260, 218711)]