28164460

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{541}}^1$

素因数の和:706

約数の個数: 48

約数和(自身を含む): 62828640

約数和(自身を除く): 34664180

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 137, 190, 274, 380, 541, 548, 685, 1082, 1370, 2164, 2603, 2705, 2740, 5206, 5410, 10279, 10412, 10820, 13015, 20558, 26030, 41116, 51395, 52060, 74117, 102790, 148234, 205580, 296468, 370585, 741170, 1408223, 1482340, 2816446, 5632892, 7041115, 14082230, 28164460]

約数ペア:

[(1, 28164460), (2, 14082230), (4, 7041115), (5, 5632892), (10, 2816446), (19, 1482340), (20, 1408223), (38, 741170), (76, 370585), (95, 296468), (137, 205580), (190, 148234), (274, 102790), (380, 74117), (541, 52060), (548, 51395), (685, 41116), (1082, 26030), (1370, 20558), (2164, 13015), (2603, 10820), (2705, 10412), (2740, 10279), (5206, 5410)]