254741720

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{58427}}^1$

素因数の和:58547

約数の個数: 32

約数和(自身を含む): 578437200

約数和(自身を除く): 323695480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 872, 1090, 2180, 4360, 58427, 116854, 233708, 292135, 467416, 584270, 1168540, 2337080, 6368543, 12737086, 25474172, 31842715, 50948344, 63685430, 127370860, 254741720]

約数ペア:

[(1, 254741720), (2, 127370860), (4, 63685430), (5, 50948344), (8, 31842715), (10, 25474172), (20, 12737086), (40, 6368543), (109, 2337080), (218, 1168540), (436, 584270), (545, 467416), (872, 292135), (1090, 233708), (2180, 116854), (4360, 58427)]