12639275

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1$

素因数の和:140

約数の個数: 48

約数和(自身を含む): 18748800

約数和(自身を除く): 6109525

約数列:

[1, 5, 11, 19, 25, 41, 55, 59, 95, 205, 209, 275, 295, 451, 475, 649, 779, 1025, 1045, 1121, 1475, 2255, 2419, 3245, 3895, 5225, 5605, 8569, 11275, 12095, 12331, 16225, 19475, 26609, 28025, 42845, 45961, 60475, 61655, 133045, 214225, 229805, 308275, 505571, 665225, 1149025, 2527855, 12639275]

約数ペア:

[(1, 12639275), (5, 2527855), (11, 1149025), (19, 665225), (25, 505571), (41, 308275), (55, 229805), (59, 214225), (95, 133045), (205, 61655), (209, 60475), (275, 45961), (295, 42845), (451, 28025), (475, 26609), (649, 19475), (779, 16225), (1025, 12331), (1045, 12095), (1121, 11275), (1475, 8569), (2255, 5605), (2419, 5225), (3245, 3895)]