55644580

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{727}}^1$

素因数の和:868

約数の個数: 48

約数和(自身を含む): 121080960

約数和(自身を除く): 65436380

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 89, 172, 178, 215, 356, 430, 445, 727, 860, 890, 1454, 1780, 2908, 3635, 3827, 7270, 7654, 14540, 15308, 19135, 31261, 38270, 62522, 64703, 76540, 125044, 129406, 156305, 258812, 312610, 323515, 625220, 647030, 1294060, 2782229, 5564458, 11128916, 13911145, 27822290, 55644580]

約数ペア:

[(1, 55644580), (2, 27822290), (4, 13911145), (5, 11128916), (10, 5564458), (20, 2782229), (43, 1294060), (86, 647030), (89, 625220), (172, 323515), (178, 312610), (215, 258812), (356, 156305), (430, 129406), (445, 125044), (727, 76540), (860, 64703), (890, 62522), (1454, 38270), (1780, 31261), (2908, 19135), (3635, 15308), (3827, 14540), (7270, 7654)]