12645380

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{229}}^1\times {\mathrm{251}}^1$

素因数の和:500

約数の個数: 48

約数和(自身を含む): 29211840

約数和(自身を除く): 16566460

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 229, 251, 458, 502, 916, 1004, 1145, 1255, 2290, 2510, 2519, 2761, 4580, 5020, 5038, 5522, 10076, 11044, 12595, 13805, 25190, 27610, 50380, 55220, 57479, 114958, 229916, 287395, 574790, 632269, 1149580, 1264538, 2529076, 3161345, 6322690, 12645380]

約数ペア:

[(1, 12645380), (2, 6322690), (4, 3161345), (5, 2529076), (10, 1264538), (11, 1149580), (20, 632269), (22, 574790), (44, 287395), (55, 229916), (110, 114958), (220, 57479), (229, 55220), (251, 50380), (458, 27610), (502, 25190), (916, 13805), (1004, 12595), (1145, 11044), (1255, 10076), (2290, 5522), (2510, 5038), (2519, 5020), (2761, 4580)]