1135640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1$

素因数の和:140

約数の個数: 64

約数和(自身を含む): 2916000

約数和(自身を除く): 1780360

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 29, 40, 44, 55, 58, 88, 89, 110, 116, 145, 178, 220, 232, 290, 319, 356, 440, 445, 580, 638, 712, 890, 979, 1160, 1276, 1595, 1780, 1958, 2552, 2581, 3190, 3560, 3916, 4895, 5162, 6380, 7832, 9790, 10324, 12760, 12905, 19580, 20648, 25810, 28391, 39160, 51620, 56782, 103240, 113564, 141955, 227128, 283910, 567820, 1135640]

約数ペア:

[(1, 1135640), (2, 567820), (4, 283910), (5, 227128), (8, 141955), (10, 113564), (11, 103240), (20, 56782), (22, 51620), (29, 39160), (40, 28391), (44, 25810), (55, 20648), (58, 19580), (88, 12905), (89, 12760), (110, 10324), (116, 9790), (145, 7832), (178, 6380), (220, 5162), (232, 4895), (290, 3916), (319, 3560), (356, 3190), (440, 2581), (445, 2552), (580, 1958), (638, 1780), (712, 1595), (890, 1276), (979, 1160)]