55728860

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^2\times {\mathrm{137}}^1$

素因数の和:243

約数の個数: 72

約数和(自身を含む): 131661936

約数和(自身を除く): 75933076

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 43, 44, 55, 86, 110, 137, 172, 215, 220, 274, 430, 473, 548, 685, 860, 946, 1370, 1507, 1849, 1892, 2365, 2740, 3014, 3698, 4730, 5891, 6028, 7396, 7535, 9245, 9460, 11782, 15070, 18490, 20339, 23564, 29455, 30140, 36980, 40678, 58910, 64801, 81356, 101695, 117820, 129602, 203390, 253313, 259204, 324005, 406780, 506626, 648010, 1013252, 1266565, 1296020, 2533130, 2786443, 5066260, 5572886, 11145772, 13932215, 27864430, 55728860]

約数ペア:

[(1, 55728860), (2, 27864430), (4, 13932215), (5, 11145772), (10, 5572886), (11, 5066260), (20, 2786443), (22, 2533130), (43, 1296020), (44, 1266565), (55, 1013252), (86, 648010), (110, 506626), (137, 406780), (172, 324005), (215, 259204), (220, 253313), (274, 203390), (430, 129602), (473, 117820), (548, 101695), (685, 81356), (860, 64801), (946, 58910), (1370, 40678), (1507, 36980), (1849, 30140), (1892, 29455), (2365, 23564), (2740, 20339), (3014, 18490), (3698, 15070), (4730, 11782), (5891, 9460), (6028, 9245), (7396, 7535)]