40008760

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{1151}}^1$

素因数の和:1252

約数の個数: 64

約数和(自身を含む): 99532800

約数和(自身を除く): 59524040

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 79, 88, 110, 158, 220, 316, 395, 440, 632, 790, 869, 1151, 1580, 1738, 2302, 3160, 3476, 4345, 4604, 5755, 6952, 8690, 9208, 11510, 12661, 17380, 23020, 25322, 34760, 46040, 50644, 63305, 90929, 101288, 126610, 181858, 253220, 363716, 454645, 506440, 727432, 909290, 1000219, 1818580, 2000438, 3637160, 4000876, 5001095, 8001752, 10002190, 20004380, 40008760]

約数ペア:

[(1, 40008760), (2, 20004380), (4, 10002190), (5, 8001752), (8, 5001095), (10, 4000876), (11, 3637160), (20, 2000438), (22, 1818580), (40, 1000219), (44, 909290), (55, 727432), (79, 506440), (88, 454645), (110, 363716), (158, 253220), (220, 181858), (316, 126610), (395, 101288), (440, 90929), (632, 63305), (790, 50644), (869, 46040), (1151, 34760), (1580, 25322), (1738, 23020), (2302, 17380), (3160, 12661), (3476, 11510), (4345, 9208), (4604, 8690), (5755, 6952)]