13823480

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{353}}^1$

素因数の和:464

約数の個数: 64

約数和(自身を含む): 34408800

約数和(自身を除く): 20585320

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 89, 110, 178, 220, 353, 356, 440, 445, 706, 712, 890, 979, 1412, 1765, 1780, 1958, 2824, 3530, 3560, 3883, 3916, 4895, 7060, 7766, 7832, 9790, 14120, 15532, 19415, 19580, 31064, 31417, 38830, 39160, 62834, 77660, 125668, 155320, 157085, 251336, 314170, 345587, 628340, 691174, 1256680, 1382348, 1727935, 2764696, 3455870, 6911740, 13823480]

約数ペア:

[(1, 13823480), (2, 6911740), (4, 3455870), (5, 2764696), (8, 1727935), (10, 1382348), (11, 1256680), (20, 691174), (22, 628340), (40, 345587), (44, 314170), (55, 251336), (88, 157085), (89, 155320), (110, 125668), (178, 77660), (220, 62834), (353, 39160), (356, 38830), (440, 31417), (445, 31064), (706, 19580), (712, 19415), (890, 15532), (979, 14120), (1412, 9790), (1765, 7832), (1780, 7766), (1958, 7060), (2824, 4895), (3530, 3916), (3560, 3883)]