39957320

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1787}}^1$

素因数の和:1854

約数の個数: 64

約数和(自身を含む): 99126720

約数和(自身を除く): 59169400

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 43, 52, 65, 86, 104, 130, 172, 215, 260, 344, 430, 520, 559, 860, 1118, 1720, 1787, 2236, 2795, 3574, 4472, 5590, 7148, 8935, 11180, 14296, 17870, 22360, 23231, 35740, 46462, 71480, 76841, 92924, 116155, 153682, 185848, 232310, 307364, 384205, 464620, 614728, 768410, 929240, 998933, 1536820, 1997866, 3073640, 3995732, 4994665, 7991464, 9989330, 19978660, 39957320]

約数ペア:

[(1, 39957320), (2, 19978660), (4, 9989330), (5, 7991464), (8, 4994665), (10, 3995732), (13, 3073640), (20, 1997866), (26, 1536820), (40, 998933), (43, 929240), (52, 768410), (65, 614728), (86, 464620), (104, 384205), (130, 307364), (172, 232310), (215, 185848), (260, 153682), (344, 116155), (430, 92924), (520, 76841), (559, 71480), (860, 46462), (1118, 35740), (1720, 23231), (1787, 22360), (2236, 17870), (2795, 14296), (3574, 11180), (4472, 8935), (5590, 7148)]