668836520

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1520083}}^1$

素因数の和:1520105

約数の個数: 32

約数和(自身を含む): 1641690720

約数和(自身を除く): 972854200

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 1520083, 3040166, 6080332, 7600415, 12160664, 15200830, 16720913, 30401660, 33441826, 60803320, 66883652, 83604565, 133767304, 167209130, 334418260, 668836520]

約数ペア:

[(1, 668836520), (2, 334418260), (4, 167209130), (5, 133767304), (8, 83604565), (10, 66883652), (11, 60803320), (20, 33441826), (22, 30401660), (40, 16720913), (44, 15200830), (55, 12160664), (88, 7600415), (110, 6080332), (220, 3040166), (440, 1520083)]