25941580

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{103}}^1\times {\mathrm{257}}^1$

素因数の和:383

約数の個数: 72

約数和(自身を含む): 64235808

約数和(自身を除く): 38294228

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 103, 140, 196, 206, 245, 257, 412, 490, 514, 515, 721, 980, 1028, 1030, 1285, 1442, 1799, 2060, 2570, 2884, 3598, 3605, 5047, 5140, 7196, 7210, 8995, 10094, 12593, 14420, 17990, 20188, 25186, 25235, 26471, 35980, 50372, 50470, 52942, 62965, 100940, 105884, 125930, 132355, 185297, 251860, 264710, 370594, 529420, 741188, 926485, 1297079, 1852970, 2594158, 3705940, 5188316, 6485395, 12970790, 25941580]

約数ペア:

[(1, 25941580), (2, 12970790), (4, 6485395), (5, 5188316), (7, 3705940), (10, 2594158), (14, 1852970), (20, 1297079), (28, 926485), (35, 741188), (49, 529420), (70, 370594), (98, 264710), (103, 251860), (140, 185297), (196, 132355), (206, 125930), (245, 105884), (257, 100940), (412, 62965), (490, 52942), (514, 50470), (515, 50372), (721, 35980), (980, 26471), (1028, 25235), (1030, 25186), (1285, 20188), (1442, 17990), (1799, 14420), (2060, 12593), (2570, 10094), (2884, 8995), (3598, 7210), (3605, 7196), (5047, 5140)]