39685940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{257}}^1\times {\mathrm{1103}}^1$

素因数の和:1376

約数の個数: 48

約数和(自身を含む): 95703552

約数和(自身を除く): 56017612

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 257, 514, 1028, 1103, 1285, 1799, 2206, 2570, 3598, 4412, 5140, 5515, 7196, 7721, 8995, 11030, 15442, 17990, 22060, 30884, 35980, 38605, 77210, 154420, 283471, 566942, 1133884, 1417355, 1984297, 2834710, 3968594, 5669420, 7937188, 9921485, 19842970, 39685940]

約数ペア:

[(1, 39685940), (2, 19842970), (4, 9921485), (5, 7937188), (7, 5669420), (10, 3968594), (14, 2834710), (20, 1984297), (28, 1417355), (35, 1133884), (70, 566942), (140, 283471), (257, 154420), (514, 77210), (1028, 38605), (1103, 35980), (1285, 30884), (1799, 22060), (2206, 17990), (2570, 15442), (3598, 11030), (4412, 8995), (5140, 7721), (5515, 7196)]