38921020

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{167}}^1\times {\mathrm{271}}^1$

素因数の和:490

約数の個数: 48

約数和(自身を含む): 84446208

約数和(自身を除く): 45525188

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 167, 172, 215, 271, 334, 430, 542, 668, 835, 860, 1084, 1355, 1670, 2710, 3340, 5420, 7181, 11653, 14362, 23306, 28724, 35905, 45257, 46612, 58265, 71810, 90514, 116530, 143620, 181028, 226285, 233060, 452570, 905140, 1946051, 3892102, 7784204, 9730255, 19460510, 38921020]

約数ペア:

[(1, 38921020), (2, 19460510), (4, 9730255), (5, 7784204), (10, 3892102), (20, 1946051), (43, 905140), (86, 452570), (167, 233060), (172, 226285), (215, 181028), (271, 143620), (334, 116530), (430, 90514), (542, 71810), (668, 58265), (835, 46612), (860, 45257), (1084, 35905), (1355, 28724), (1670, 23306), (2710, 14362), (3340, 11653), (5420, 7181)]