2912385680

素因数分解:

$2^4\times 5^1\times {\mathrm{257}}^1\times {\mathrm{141653}}^1$

素因数の和:141923

約数の個数: 40

約数和(自身を含む): 6797692152

約数和(自身を除く): 3885306472

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 257, 514, 1028, 1285, 2056, 2570, 4112, 5140, 10280, 20560, 141653, 283306, 566612, 708265, 1133224, 1416530, 2266448, 2833060, 5666120, 11332240, 36404821, 72809642, 145619284, 182024105, 291238568, 364048210, 582477136, 728096420, 1456192840, 2912385680]

約数ペア:

[(1, 2912385680), (2, 1456192840), (4, 728096420), (5, 582477136), (8, 364048210), (10, 291238568), (16, 182024105), (20, 145619284), (40, 72809642), (80, 36404821), (257, 11332240), (514, 5666120), (1028, 2833060), (1285, 2266448), (2056, 1416530), (2570, 1133224), (4112, 708265), (5140, 566612), (10280, 283306), (20560, 141653)]