169171840

素因数分解:

$2^7\times 5^1\times {\mathrm{264331}}^1$

素因数の和:264350

約数の個数: 32

約数和(自身を含む): 404427960

約数和(自身を除く): 235256120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 264331, 528662, 1057324, 1321655, 2114648, 2643310, 4229296, 5286620, 8458592, 10573240, 16917184, 21146480, 33834368, 42292960, 84585920, 169171840]

約数ペア:

[(1, 169171840), (2, 84585920), (4, 42292960), (5, 33834368), (8, 21146480), (10, 16917184), (16, 10573240), (20, 8458592), (32, 5286620), (40, 4229296), (64, 2643310), (80, 2114648), (128, 1321655), (160, 1057324), (320, 528662), (640, 264331)]