12731050540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{307}}^1\times {\mathrm{12269}}^1$

素因数の和:12611

約数の個数: 72

約数和(自身を含む): 29046623760

約数和(自身を除く): 16315573220

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 307, 338, 614, 676, 845, 1228, 1535, 1690, 3070, 3380, 3991, 6140, 7982, 12269, 15964, 19955, 24538, 39910, 49076, 51883, 61345, 79820, 103766, 122690, 159497, 207532, 245380, 259415, 318994, 518830, 637988, 797485, 1037660, 1594970, 2073461, 3189940, 3766583, 4146922, 7533166, 8293844, 10367305, 15066332, 18832915, 20734610, 37665830, 41469220, 48965579, 75331660, 97931158, 195862316, 244827895, 489655790, 636552527, 979311580, 1273105054, 2546210108, 3182762635, 6365525270, 12731050540]

約数ペア:

[(1, 12731050540), (2, 6365525270), (4, 3182762635), (5, 2546210108), (10, 1273105054), (13, 979311580), (20, 636552527), (26, 489655790), (52, 244827895), (65, 195862316), (130, 97931158), (169, 75331660), (260, 48965579), (307, 41469220), (338, 37665830), (614, 20734610), (676, 18832915), (845, 15066332), (1228, 10367305), (1535, 8293844), (1690, 7533166), (3070, 4146922), (3380, 3766583), (3991, 3189940), (6140, 2073461), (7982, 1594970), (12269, 1037660), (15964, 797485), (19955, 637988), (24538, 518830), (39910, 318994), (49076, 259415), (51883, 245380), (61345, 207532), (79820, 159497), (103766, 122690)]