212936720

素因数分解:

$2^4\times 5^1\times {\mathrm{67}}^1\times {\mathrm{39727}}^1$

素因数の和:39807

約数の個数: 40

約数和(自身を含む): 502479744

約数和(自身を除く): 289543024

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 67, 80, 134, 268, 335, 536, 670, 1072, 1340, 2680, 5360, 39727, 79454, 158908, 198635, 317816, 397270, 635632, 794540, 1589080, 2661709, 3178160, 5323418, 10646836, 13308545, 21293672, 26617090, 42587344, 53234180, 106468360, 212936720]

約数ペア:

[(1, 212936720), (2, 106468360), (4, 53234180), (5, 42587344), (8, 26617090), (10, 21293672), (16, 13308545), (20, 10646836), (40, 5323418), (67, 3178160), (80, 2661709), (134, 1589080), (268, 794540), (335, 635632), (536, 397270), (670, 317816), (1072, 198635), (1340, 158908), (2680, 79454), (5360, 39727)]