25092920

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{241}}^1$

素因数の和:408

約数の個数: 64

約数和(自身を含む): 60112800

約数和(自身を除く): 35019880

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 137, 152, 190, 241, 274, 380, 482, 548, 685, 760, 964, 1096, 1205, 1370, 1928, 2410, 2603, 2740, 4579, 4820, 5206, 5480, 9158, 9640, 10412, 13015, 18316, 20824, 22895, 26030, 33017, 36632, 45790, 52060, 66034, 91580, 104120, 132068, 165085, 183160, 264136, 330170, 627323, 660340, 1254646, 1320680, 2509292, 3136615, 5018584, 6273230, 12546460, 25092920]

約数ペア:

[(1, 25092920), (2, 12546460), (4, 6273230), (5, 5018584), (8, 3136615), (10, 2509292), (19, 1320680), (20, 1254646), (38, 660340), (40, 627323), (76, 330170), (95, 264136), (137, 183160), (152, 165085), (190, 132068), (241, 104120), (274, 91580), (380, 66034), (482, 52060), (548, 45790), (685, 36632), (760, 33017), (964, 26030), (1096, 22895), (1205, 20824), (1370, 18316), (1928, 13015), (2410, 10412), (2603, 9640), (2740, 9158), (4579, 5480), (4820, 5206)]