25453010

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{101}}^1$

素因数の和:227

約数の個数: 64

約数和(自身を含む): 52876800

約数和(自身を除く): 27423790

約数列:

[1, 2, 5, 10, 11, 22, 29, 55, 58, 79, 101, 110, 145, 158, 202, 290, 319, 395, 505, 638, 790, 869, 1010, 1111, 1595, 1738, 2222, 2291, 2929, 3190, 4345, 4582, 5555, 5858, 7979, 8690, 11110, 11455, 14645, 15958, 22910, 25201, 29290, 32219, 39895, 50402, 64438, 79790, 87769, 126005, 161095, 175538, 231391, 252010, 322190, 438845, 462782, 877690, 1156955, 2313910, 2545301, 5090602, 12726505, 25453010]

約数ペア:

[(1, 25453010), (2, 12726505), (5, 5090602), (10, 2545301), (11, 2313910), (22, 1156955), (29, 877690), (55, 462782), (58, 438845), (79, 322190), (101, 252010), (110, 231391), (145, 175538), (158, 161095), (202, 126005), (290, 87769), (319, 79790), (395, 64438), (505, 50402), (638, 39895), (790, 32219), (869, 29290), (1010, 25201), (1111, 22910), (1595, 15958), (1738, 14645), (2222, 11455), (2291, 11110), (2929, 8690), (3190, 7979), (4345, 5858), (4582, 5555)]