42489130

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{1979}}^1$

素因数の和:2118

約数の個数: 32

約数和(自身を含む): 81259200

約数和(自身を除く): 38770070

約数列:

[1, 2, 5, 10, 19, 38, 95, 113, 190, 226, 565, 1130, 1979, 2147, 3958, 4294, 9895, 10735, 19790, 21470, 37601, 75202, 188005, 223627, 376010, 447254, 1118135, 2236270, 4248913, 8497826, 21244565, 42489130]

約数ペア:

[(1, 42489130), (2, 21244565), (5, 8497826), (10, 4248913), (19, 2236270), (38, 1118135), (95, 447254), (113, 376010), (190, 223627), (226, 188005), (565, 75202), (1130, 37601), (1979, 21470), (2147, 19790), (3958, 10735), (4294, 9895)]