27646960

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{353}}^1$

素因数の和:466

約数の個数: 80

約数和(自身を含む): 71111520

約数和(自身を除く): 43464560

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 89, 110, 176, 178, 220, 353, 356, 440, 445, 706, 712, 880, 890, 979, 1412, 1424, 1765, 1780, 1958, 2824, 3530, 3560, 3883, 3916, 4895, 5648, 7060, 7120, 7766, 7832, 9790, 14120, 15532, 15664, 19415, 19580, 28240, 31064, 31417, 38830, 39160, 62128, 62834, 77660, 78320, 125668, 155320, 157085, 251336, 310640, 314170, 345587, 502672, 628340, 691174, 1256680, 1382348, 1727935, 2513360, 2764696, 3455870, 5529392, 6911740, 13823480, 27646960]

約数ペア:

[(1, 27646960), (2, 13823480), (4, 6911740), (5, 5529392), (8, 3455870), (10, 2764696), (11, 2513360), (16, 1727935), (20, 1382348), (22, 1256680), (40, 691174), (44, 628340), (55, 502672), (80, 345587), (88, 314170), (89, 310640), (110, 251336), (176, 157085), (178, 155320), (220, 125668), (353, 78320), (356, 77660), (440, 62834), (445, 62128), (706, 39160), (712, 38830), (880, 31417), (890, 31064), (979, 28240), (1412, 19580), (1424, 19415), (1765, 15664), (1780, 15532), (1958, 14120), (2824, 9790), (3530, 7832), (3560, 7766), (3883, 7120), (3916, 7060), (4895, 5648)]