72839720

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{27179}}^1$

素因数の和:27257

約数の個数: 32

約数和(自身を含む): 166341600

約数和(自身を除く): 93501880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 134, 268, 335, 536, 670, 1340, 2680, 27179, 54358, 108716, 135895, 217432, 271790, 543580, 1087160, 1820993, 3641986, 7283972, 9104965, 14567944, 18209930, 36419860, 72839720]

約数ペア:

[(1, 72839720), (2, 36419860), (4, 18209930), (5, 14567944), (8, 9104965), (10, 7283972), (20, 3641986), (40, 1820993), (67, 1087160), (134, 543580), (268, 271790), (335, 217432), (536, 135895), (670, 108716), (1340, 54358), (2680, 27179)]