271989320

素因数分解:

$2^3\times 5^1\times {\mathrm{331}}^1\times {\mathrm{20543}}^1$

素因数の和:20885

約数の個数: 32

約数和(自身を含む): 613854720

約数和(自身を除く): 341865400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 331, 662, 1324, 1655, 2648, 3310, 6620, 13240, 20543, 41086, 82172, 102715, 164344, 205430, 410860, 821720, 6799733, 13599466, 27198932, 33998665, 54397864, 67997330, 135994660, 271989320]

約数ペア:

[(1, 271989320), (2, 135994660), (4, 67997330), (5, 54397864), (8, 33998665), (10, 27198932), (20, 13599466), (40, 6799733), (331, 821720), (662, 410860), (1324, 205430), (1655, 164344), (2648, 102715), (3310, 82172), (6620, 41086), (13240, 20543)]