265563880

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{197}}^1\times {\mathrm{503}}^1$

素因数の和:778

約数の個数: 64

約数和(自身を含む): 610727040

約数和(自身を除く): 345163160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 134, 197, 268, 335, 394, 503, 536, 670, 788, 985, 1006, 1340, 1576, 1970, 2012, 2515, 2680, 3940, 4024, 5030, 7880, 10060, 13199, 20120, 26398, 33701, 52796, 65995, 67402, 99091, 105592, 131990, 134804, 168505, 198182, 263980, 269608, 337010, 396364, 495455, 527960, 674020, 792728, 990910, 1348040, 1981820, 3963640, 6639097, 13278194, 26556388, 33195485, 53112776, 66390970, 132781940, 265563880]

約数ペア:

[(1, 265563880), (2, 132781940), (4, 66390970), (5, 53112776), (8, 33195485), (10, 26556388), (20, 13278194), (40, 6639097), (67, 3963640), (134, 1981820), (197, 1348040), (268, 990910), (335, 792728), (394, 674020), (503, 527960), (536, 495455), (670, 396364), (788, 337010), (985, 269608), (1006, 263980), (1340, 198182), (1576, 168505), (1970, 134804), (2012, 131990), (2515, 105592), (2680, 99091), (3940, 67402), (4024, 65995), (5030, 52796), (7880, 33701), (10060, 26398), (13199, 20120)]