51027730

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{283}}^1$

素因数の和:395

約数の個数: 64

約数和(自身を含む): 105920640

約数和(自身を除く): 54892910

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 73, 95, 130, 146, 190, 247, 283, 365, 494, 566, 730, 949, 1235, 1387, 1415, 1898, 2470, 2774, 2830, 3679, 4745, 5377, 6935, 7358, 9490, 10754, 13870, 18031, 18395, 20659, 26885, 36062, 36790, 41318, 53770, 69901, 90155, 103295, 139802, 180310, 206590, 268567, 349505, 392521, 537134, 699010, 785042, 1342835, 1962605, 2685670, 3925210, 5102773, 10205546, 25513865, 51027730]

約数ペア:

[(1, 51027730), (2, 25513865), (5, 10205546), (10, 5102773), (13, 3925210), (19, 2685670), (26, 1962605), (38, 1342835), (65, 785042), (73, 699010), (95, 537134), (130, 392521), (146, 349505), (190, 268567), (247, 206590), (283, 180310), (365, 139802), (494, 103295), (566, 90155), (730, 69901), (949, 53770), (1235, 41318), (1387, 36790), (1415, 36062), (1898, 26885), (2470, 20659), (2774, 18395), (2830, 18031), (3679, 13870), (4745, 10754), (5377, 9490), (6935, 7358)]