65381080

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{157}}^1\times {\mathrm{359}}^1$

素因数の和:556

約数の個数: 64

約数和(自身を含む): 153576000

約数和(自身を除く): 88194920

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 157, 232, 290, 314, 359, 580, 628, 718, 785, 1160, 1256, 1436, 1570, 1795, 2872, 3140, 3590, 4553, 6280, 7180, 9106, 10411, 14360, 18212, 20822, 22765, 36424, 41644, 45530, 52055, 56363, 83288, 91060, 104110, 112726, 182120, 208220, 225452, 281815, 416440, 450904, 563630, 1127260, 1634527, 2254520, 3269054, 6538108, 8172635, 13076216, 16345270, 32690540, 65381080]

約数ペア:

[(1, 65381080), (2, 32690540), (4, 16345270), (5, 13076216), (8, 8172635), (10, 6538108), (20, 3269054), (29, 2254520), (40, 1634527), (58, 1127260), (116, 563630), (145, 450904), (157, 416440), (232, 281815), (290, 225452), (314, 208220), (359, 182120), (580, 112726), (628, 104110), (718, 91060), (785, 83288), (1160, 56363), (1256, 52055), (1436, 45530), (1570, 41644), (1795, 36424), (2872, 22765), (3140, 20822), (3590, 18212), (4553, 14360), (6280, 10411), (7180, 9106)]