65764520

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{463}}^1$

素因数の和:594

約数の個数: 64

約数和(自身を含む): 153342720

約数和(自身を除く): 87578200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 67, 106, 134, 212, 265, 268, 335, 424, 463, 530, 536, 670, 926, 1060, 1340, 1852, 2120, 2315, 2680, 3551, 3704, 4630, 7102, 9260, 14204, 17755, 18520, 24539, 28408, 31021, 35510, 49078, 62042, 71020, 98156, 122695, 124084, 142040, 155105, 196312, 245390, 248168, 310210, 490780, 620420, 981560, 1240840, 1644113, 3288226, 6576452, 8220565, 13152904, 16441130, 32882260, 65764520]

約数ペア:

[(1, 65764520), (2, 32882260), (4, 16441130), (5, 13152904), (8, 8220565), (10, 6576452), (20, 3288226), (40, 1644113), (53, 1240840), (67, 981560), (106, 620420), (134, 490780), (212, 310210), (265, 248168), (268, 245390), (335, 196312), (424, 155105), (463, 142040), (530, 124084), (536, 122695), (670, 98156), (926, 71020), (1060, 62042), (1340, 49078), (1852, 35510), (2120, 31021), (2315, 28408), (2680, 24539), (3551, 18520), (3704, 17755), (4630, 14204), (7102, 9260)]