55784560

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53639}}^1$

素因数の和:53665

約数の個数: 40

約数和(自身を含む): 139678560

約数和(自身を除く): 83894000

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 53639, 107278, 214556, 268195, 429112, 536390, 697307, 858224, 1072780, 1394614, 2145560, 2789228, 3486535, 4291120, 5578456, 6973070, 11156912, 13946140, 27892280, 55784560]

約数ペア:

[(1, 55784560), (2, 27892280), (4, 13946140), (5, 11156912), (8, 6973070), (10, 5578456), (13, 4291120), (16, 3486535), (20, 2789228), (26, 2145560), (40, 1394614), (52, 1072780), (65, 858224), (80, 697307), (104, 536390), (130, 429112), (208, 268195), (260, 214556), (520, 107278), (1040, 53639)]