38427320

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{157}}^1\times {\mathrm{211}}^1$

素因数の和:408

約数の個数: 64

約数和(自身を含む): 90439200

約数和(自身を除く): 52011880

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 157, 211, 232, 290, 314, 422, 580, 628, 785, 844, 1055, 1160, 1256, 1570, 1688, 2110, 3140, 4220, 4553, 6119, 6280, 8440, 9106, 12238, 18212, 22765, 24476, 30595, 33127, 36424, 45530, 48952, 61190, 66254, 91060, 122380, 132508, 165635, 182120, 244760, 265016, 331270, 662540, 960683, 1325080, 1921366, 3842732, 4803415, 7685464, 9606830, 19213660, 38427320]

約数ペア:

[(1, 38427320), (2, 19213660), (4, 9606830), (5, 7685464), (8, 4803415), (10, 3842732), (20, 1921366), (29, 1325080), (40, 960683), (58, 662540), (116, 331270), (145, 265016), (157, 244760), (211, 182120), (232, 165635), (290, 132508), (314, 122380), (422, 91060), (580, 66254), (628, 61190), (785, 48952), (844, 45530), (1055, 36424), (1160, 33127), (1256, 30595), (1570, 24476), (1688, 22765), (2110, 18212), (3140, 12238), (4220, 9106), (4553, 8440), (6119, 6280)]