25492720

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{491}}^1$

素因数の和:574

約数の個数: 80

約数和(自身を含む): 65888640

約数和(自身を除く): 40395920

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 59, 80, 88, 110, 118, 176, 220, 236, 295, 440, 472, 491, 590, 649, 880, 944, 982, 1180, 1298, 1964, 2360, 2455, 2596, 3245, 3928, 4720, 4910, 5192, 5401, 6490, 7856, 9820, 10384, 10802, 12980, 19640, 21604, 25960, 27005, 28969, 39280, 43208, 51920, 54010, 57938, 86416, 108020, 115876, 144845, 216040, 231752, 289690, 318659, 432080, 463504, 579380, 637318, 1158760, 1274636, 1593295, 2317520, 2549272, 3186590, 5098544, 6373180, 12746360, 25492720]

約数ペア:

[(1, 25492720), (2, 12746360), (4, 6373180), (5, 5098544), (8, 3186590), (10, 2549272), (11, 2317520), (16, 1593295), (20, 1274636), (22, 1158760), (40, 637318), (44, 579380), (55, 463504), (59, 432080), (80, 318659), (88, 289690), (110, 231752), (118, 216040), (176, 144845), (220, 115876), (236, 108020), (295, 86416), (440, 57938), (472, 54010), (491, 51920), (590, 43208), (649, 39280), (880, 28969), (944, 27005), (982, 25960), (1180, 21604), (1298, 19640), (1964, 12980), (2360, 10802), (2455, 10384), (2596, 9820), (3245, 7856), (3928, 6490), (4720, 5401), (4910, 5192)]