28099640

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^2\times {\mathrm{43}}^1$

素因数の和:133

約数の個数: 96

約数和(自身を含む): 70781040

約数和(自身を除く): 42681400

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 31, 34, 40, 43, 62, 68, 85, 86, 124, 136, 155, 170, 172, 215, 248, 310, 340, 344, 430, 527, 620, 680, 731, 860, 961, 1054, 1240, 1333, 1462, 1720, 1922, 2108, 2635, 2666, 2924, 3655, 3844, 4216, 4805, 5270, 5332, 5848, 6665, 7310, 7688, 9610, 10540, 10664, 13330, 14620, 16337, 19220, 21080, 22661, 26660, 29240, 32674, 38440, 41323, 45322, 53320, 65348, 81685, 82646, 90644, 113305, 130696, 163370, 165292, 181288, 206615, 226610, 326740, 330584, 413230, 453220, 653480, 702491, 826460, 906440, 1404982, 1652920, 2809964, 3512455, 5619928, 7024910, 14049820, 28099640]

約数ペア:

[(1, 28099640), (2, 14049820), (4, 7024910), (5, 5619928), (8, 3512455), (10, 2809964), (17, 1652920), (20, 1404982), (31, 906440), (34, 826460), (40, 702491), (43, 653480), (62, 453220), (68, 413230), (85, 330584), (86, 326740), (124, 226610), (136, 206615), (155, 181288), (170, 165292), (172, 163370), (215, 130696), (248, 113305), (310, 90644), (340, 82646), (344, 81685), (430, 65348), (527, 53320), (620, 45322), (680, 41323), (731, 38440), (860, 32674), (961, 29240), (1054, 26660), (1240, 22661), (1333, 21080), (1462, 19220), (1720, 16337), (1922, 14620), (2108, 13330), (2635, 10664), (2666, 10540), (2924, 9610), (3655, 7688), (3844, 7310), (4216, 6665), (4805, 5848), (5270, 5332)]