55116280

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{431}}^1$

素因数の和:604

約数の個数: 64

約数和(自身を含む): 130636800

約数和(自身を除く): 75520520

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 139, 184, 230, 278, 431, 460, 556, 695, 862, 920, 1112, 1390, 1724, 2155, 2780, 3197, 3448, 4310, 5560, 6394, 8620, 9913, 12788, 15985, 17240, 19826, 25576, 31970, 39652, 49565, 59909, 63940, 79304, 99130, 119818, 127880, 198260, 239636, 299545, 396520, 479272, 599090, 1198180, 1377907, 2396360, 2755814, 5511628, 6889535, 11023256, 13779070, 27558140, 55116280]

約数ペア:

[(1, 55116280), (2, 27558140), (4, 13779070), (5, 11023256), (8, 6889535), (10, 5511628), (20, 2755814), (23, 2396360), (40, 1377907), (46, 1198180), (92, 599090), (115, 479272), (139, 396520), (184, 299545), (230, 239636), (278, 198260), (431, 127880), (460, 119818), (556, 99130), (695, 79304), (862, 63940), (920, 59909), (1112, 49565), (1390, 39652), (1724, 31970), (2155, 25576), (2780, 19826), (3197, 17240), (3448, 15985), (4310, 12788), (5560, 9913), (6394, 8620)]