5443240

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{139}}^1$

素因数の和:250

約数の個数: 64

約数和(自身を含む): 13608000

約数和(自身を除く): 8164760

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 89, 110, 139, 178, 220, 278, 356, 440, 445, 556, 695, 712, 890, 979, 1112, 1390, 1529, 1780, 1958, 2780, 3058, 3560, 3916, 4895, 5560, 6116, 7645, 7832, 9790, 12232, 12371, 15290, 19580, 24742, 30580, 39160, 49484, 61160, 61855, 98968, 123710, 136081, 247420, 272162, 494840, 544324, 680405, 1088648, 1360810, 2721620, 5443240]

約数ペア:

[(1, 5443240), (2, 2721620), (4, 1360810), (5, 1088648), (8, 680405), (10, 544324), (11, 494840), (20, 272162), (22, 247420), (40, 136081), (44, 123710), (55, 98968), (88, 61855), (89, 61160), (110, 49484), (139, 39160), (178, 30580), (220, 24742), (278, 19580), (356, 15290), (440, 12371), (445, 12232), (556, 9790), (695, 7832), (712, 7645), (890, 6116), (979, 5560), (1112, 4895), (1390, 3916), (1529, 3560), (1780, 3058), (1958, 2780)]